As I explained, the statement about saving the world doesn't really indicate anything either way. Saving the world can be done without being the boots on the ground.
Yes, but at the same time it destroys what was built in Inquisition between Inquisitor and Solas - their personal connection (be it friendship or rivalry).
And considering how frequently things in DA are resolved via personal interference or encounter, usually on battlefield, I somehow doubt they'd change the formula too drastically.
Then there's the fact that epilogue cards and devs have already hinted that Inquisitor indeed is active and moving around all Thedas. They're seen in Minrathous if Inky is in relationship with Dorian. They seem to suddenly appear near Cassandra from time to time if she is their LI (even more of an indicator that we may be moving around Thedas via Tevene eluvians, IMO). If they befriend Sera, they are travelling along with Red Jennies.
Also - someone on Twitter asked why Inquisitor can be made a Jenny, but not the Charger. Patrick Weekes responded: "Didn't want to put Inq in subordinate role, but assumed that would travel with regularly."
Needless to say, they're strongly alluded to be travelling all over the place, probably being as active as many of us here wish him/her to be.
They said the problem is that Solas "knows us, knows who we are and how we work" as I recall. They say that whether the Inquisition is disbanded or not, so they aren't talking about Solas' ability to anticipate the organization, but the members of it he has come know very well. Whether or not you believe it would be a problem, that's what Bioware says is the problem, and it's their intent I was trying to get at in my post.
Yes, but he "knows them" because nobody except for us, players, who saw post-credit scene could have anticipated that the fabled Dread Wolf of elvhen folk legends is actually real and plotting to unravel the world. Now that Solas was kind enough to telegraph his intent, and thanks to information we've gathered both throughout DAI and Trespasser about what happened with Elvhen empire and their gods, Inquisition and its leader is still best suited to stop him, even if some restructuring or change of tactics is necessary.
They aren't running away and letting others deal with it, that'd be like saying a general is hiding and letting others deal with the enemy because is isn't personally leading the attack. Going after Solas doesn't require the Inquisitor doing the leg work. I imagine we'll see the Inquisitor managing a network of agents when next we see them.
While I would enjoy seeing some tactical "chess match" between Solas and Inquisitor with the way they use their forces or agents, if it was the only way they interacted with one another, it would eventually fall flat if it was the only thing we'd be limited to after all this beautiful personal build up we've seen happening in DAI and its DLC.
Then there's also the question of balancing player agency while playing DA4 protagonist - will they only be pawns in the game between Inquisition and Dread Wold?
I realize that it's extremely tricky and they'd have to be super-clever in how they'd try and build relationship between Inquisitor and DA4 protagonist in case both of them were player-controlled at one point or another, but how fantastic would that be if they've actually tried it? Even short interactions could be extremely meaningful, as well as later decisions - will we stay with Inquisitor (whose NPC interactions could be shaped by decisions saved in DAI worldstate and interactions we'd choose in stages of DA4 where we'd be allowed to control them) or leave/betray him/her?
I'd really, really love to see that and I believe Bioware can pull this off.
Solas successfully hid his true intentions from the Inquisition from the start. Suggesting they'd be able to anticipate him after being so thoroughly ignorant is rather dubious.
But who else could anticipate him? How much more ignorant of Dread Wolf, his plans, past or tactics is anyone else, compared to Inquisition? Truth is, they're the only ones who can - nobody else has the relation they have, be it positive or negative. Nobody else knows him so well - even if not his tactics, then his manners, possible weaknesses or ways he used to fight Evanuris as Dread Wolf in ancient times (thanks to information uncovered in Trespasser).
Inquisition at this point is pretty much the only hope for this world, it seems.