I don't support any candidates and no that something is ridiculous and unrealistic isn't laughable claim because as many said leliana ending is exactly it turns complex problem in brutal and dark word and turns it simplistic and rainbow ending that would fit to my little pony.
Second it is said in game that on rare occasions divine can be selected outside the chantry and cassandra and leliana were strongly affiliated with last divine as well with inqusition of course viviene as divine is pretty much stupid still it is nothing in compared to leliana ending.
I don't care if they want pull off emotions card they can do that in at least somewhat realistic way not jumping with straight ridiculousness.
How the word unrealistic is used as a slogan for only Leliana is laughable. And I see you skipped over my reasoning as to why, and have instead opted to treat me as a Leliana supporter, which I am not. All three choices, as I've already written do not seem to be that great when compared to Giselle. However, each can work to some extent; I will use Leliana as an example because she needs some added consideration. However empirically, there have yet to be any troubles from soft Leliana's reign as Divine. Most of you can't seem to realize that Thedas just went through a blight, a mage templar war, a civil war in Orlais, and the rift crisis. In real "dark and brutal" history, Rome fought 100 years worth of civil wars, by the time Augustus won, the old order was carrion for the birds. Anyone who would have faced him directly were dead, and everyone else was sick of all of the infighting, scorched lands, raped women, dead children etc. So Augusts had the legions, the authoritas and the gravitas and with it he created a new empire out of the skeleton of the SPQR. Leliana seems to be in a similar postion, Augustus did the whole PAX ROMANA thing, and during his reign the only troubles he had, came from his expansion into new territory (mainly Germany), not from civil conflict. If troubles come with Leliana's rule it will be from her trying to expand the faith (which she wants to do), and she has not been Divine long enough for this to be an issue as her chantry is trying to appropriate all of the new changes, and they still need to rebuild some political ties and some infrastructure. Augustus went through the same thing before he tried to expand Rome.
The Divine gets the Inquisitor as a supporter, all the traditional chantry power came from Orlais and a lesser extent from Ferelden, they have both been destabilized which means the chantry is supported by the most powerful military force in the south, the Inquisition, this makes direct dissent against the Divine less possible--but this does not preclude the knee jerk reaction Viv gets (because she is a mage, and the uber-religious are more than happy to throw their lives away in a crusade), and the shadow war Cassandra gets is not a direct assault but more so pertaining to the 'game'. Leliana, later, might have some troubles with the Qun, if she is realy serious about exapning the faith all over Thedas.
Taking into account the aforementioned stability issues, to some extent each of the three can work (but not that well) simply because Thedas needs a Divine, and whoever is chosen gets powerful military support. However the three are still not the best choices narrative wise, they are the best choices politically and emotionally, and they were picked for that by Biowares dev/writers, who probably forgot about Giselle, or maybe ignored her because she did not equate to a so called 'bitter sweet sacrifice' nor does she equal a grand political move (Viv).
As for your badly worded bit about emotions and realism, no Bioware does not have to adhere to what you think is 'realistic', and I was not defending what they did. I was only pointing out what they did, and why 'what they did', all three choices, were not as good as Giselle.