If you want to take part in adult conversations, you'll need a thicker skin if someone calling you dude is of note.
I lack the plumbing to be a "dude". That's why it's of note.
And your argument is about how Fiona is terrible because of how she repaid Ferelden's offer of sanctuary. And no, if her mind is being whammied then her actions would not be betrayal. What is more, we know mind control is going on there considering the woman shows up as an enemy boss for no reason in the Haven quest.
And Asunder makes no such thing clear. Fiona was elected to her position on that specific platform, and the treaty was broken by the Seekers and Templars when they dissolved the College of Enchanters. Its funny how you bring up Varric, but the actual mages under her note that they can't believe she's doing this considering how she's very specifically given the Circle the opportunity to vote on matters no matter what. Even when she has legal and moral justification to just screw it and have the libertarians force everyone their way.
What is more, you obviously have issues understanding the language of the source material since Fiona never defends the deal as a good idea. She says it was the only option, despite you know, us having met her earlier before she got whammied and she was no where near such an opinion. Its clear as day that the Tevinter usurper there magically screwed with her head. Plus again, her appearance attacking Haven when the Circle has no reason for that.
These are a collection of words in English that do not appear to mean the same things they normally do - at least, that's what I hope, because otherwise they are utterly nonsensical.
You say that Fiona's decision to support foreign armed forces in a military coup on Fereldan soil is not a betrayal of the sanctuary Ferelden offered her because...of how she repaid them? What? The mages didn't repay squat. They supported the coup by selling themselves into effective slavery. Fiona made no meaningful effort to back out of the arrangement when it was clear she had lost all her bargaining power with Alexius. Then the Inquisition came in to save her and her followers, and the Fereldan government elected to remand the mages into Inquisition custody to be dealt with as the Herald saw fit.
There's no "repayment". That's playing a political game and comprehensively losing. Being accomplices to Alexius' coup against Arl Teagan is the
definition of betrayal. That Fiona was too stupid, afraid, or overwhelmed to take other options seriously does not erase the betrayal. It doesn't matter even if she
was mind-controlled into doing it: that just means she was mind-controlled into betraying Ferelden, not that she didn't betray Ferelden in the first place. I mean, this is basic vocabulary here. Arl Teagan used to be in charge of Redcliffe, and he sheltered Fiona and her mages there; then, Arl Teagan was gone, and Fiona and her mages are working for the guy who kicked Teagan out in a coup and replaced him. Intent has nothing to do with it.
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But let's talk about intent anyway, since we're here. You claim that she was under some form of mind control, which is stretching the source material
extremely far. Her own explanation back at Skyhold is...interesting. She initially blames Tevinter infiltrators in her followers' ranks, but then says that they did no more than spread rumors and make an alliance seem like a good idea. She mentions her desperation when searching for the alliance, but claims that it was a superior option to defeat at templar hands. Nowhere does she mention previously being mind controlled. She says that she's not proud of what happened, but then defends her decision by claiming that it might have been far worse.
For somebody who is throwing out some fairly insulting remarks about failing to take account of the source material, you seem to be doing a fairly shoddy job of that yourself. If anybody would want to justify Fiona's terrible actions at Redcliffe by blaming fear demons or mind control, it ought to be Fiona herself, once she is freed of that ostensible compulsion. But she doesn't. She simply claims mitigating circumstances, none of which actually excuses what she did, and even partially defends her decisions.
You claim that there is a whole passel of her followers who claim that her actions in Redcliffe were out of character for her. All right: who are they? What, specifically, do they say? And why are they more trustworthy than the testimony of others,
including Fiona herself? Can their claims be explained perhaps by their own personal
need to believe that Fiona is better than allying with Tevinter, because she is their leader and if she made such a decision it would break their trust in her...rather than a rational appraisal of Fiona's character and her history of decision-making?
Her appearance at Haven doesn't really change this calculus. You claim that she has to have been mind-controlled in order to attack the Inquisition, but why is that the case? She's working for the Venatori, and the Inquisition is the enemy of the Venatori. It's perfectly possible to explain her presence without resorting to mind control. But even if she were being mind-controlled at Haven, that doesn't mean she was under the same compulsion at Redcliffe. You're making an argument from essentially nonexistent evidence.
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What
Asunder makes clear about Fiona is that she is reckless, and a poor planner. Dean did a good job of describing why earlier. Independent of the moral justification for launching the mage rebellion, actually doing it - and doing it in the way Fiona did - was sheer lunacy. She didn't prepare at all: no secret agreements with powerful allies, no fortified redoubts for defense against the templars, no underground mage network to help Circles escape their foes. She did not rely on moral purity to aid her cause, because (as Vivienne points out) by rebelling when they did, Fiona and her allies were effectively leaguing themselves with a mass murderer, Anders; the subsequent decision to take Alexius' deal further eroded her moral standing. She had no end game beyond "templars suck"; even at Skyhold, after the events of Redcliffe, she still hadn't figured out what a proper solution might be.
So she started a war with no plan, no means for fighting it, and no cause to use in an appeal to anybody beyond a relatively small group of her allies.
That's stupid.
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Now, I don't hate Fiona. I don't think that the label of "Mary Sue" is useful. I have no particular interest in tearing her down. I simply believe that, based on the evidence of the books and this game, she is a poor leader who made a series of poor decisions that negatively impacted the welfare of her followers.