As for your assessment of the DA:I sidequests: you can like them if you want, but to say they involve choice, role playing, and NPC character building is jut false. The only one with any choice whatsoever is Imshael briefly offering you power or virgins in exchange for you not killing him. It was funny but seeing as how the game had done nothing to flesh out any of the villagers or the red Templars he was controlling I just didn't care. None of the side quests made me care.
You interact with the villagers themselves, are informed of their circumstances when you receive the mission, learn more from Harding (in a cutscene, no less) at the beginning, and the judgment at the end once again gives you interaction and roleplay options (how you respond to those characters, and what kind of character you wish your inquisitor to be).
All this may not be enough for you... and that, as your subjective opinion, is fine.
To say that those dialogue branches and roleplay opportunities DO NOT EXIST in the game is simply not true. To say that the standard of DA:O sidequests is higher than that with respect to content depth and roleplay is simply selective memory (setting aside the fact that you can, subjectively, prefer one or the other).
Well regardless of which you liked better, DA:O and DA:I both have companion quests. Both games' companion quests are short, and both involve a small degree of choice and roleplay elements. It's not as if one game has them and the other doesn't.
DA:I has as many companions as non-DLC DA:O does, setting aside that 2 of the DA:O options replace one another... and another is Dog... and setting aside the fact that the 3 advisors have essentially the same level of content. On average, the companion sidequests are vastly deeper than DA:O equivalents (consider, for example, that DA:O sidequests companions have, altogether, 3 unique areas (2 of them being small houses in Denerim) you would not otherwise visit... DAI has at least 5 (having done everything). There are 4 unique instances of combat depending on companion quests (counting 2 for Leliana). Only Blackwall, Dorian, and Cole lack combat elements in the side quests. The dialogue trees before, during, and after are significantly larger than DA:O. Objectively, DA:I has much more companion quest content than DA:O.
You can, of course, choose to like it or not.