I would prefer a special scene, yes, cause I tend to agree with you, but putting that into the game with Durge specifically really sets Durge as being special even above the other characters which I don't think Larian really wanted to do with all things considered.
I think Durge is the real canon PC and I could make a big argument for it, but from my understanding the division of Tav with Durge was intended to give a lot of leeway for those who don't want to be pigeon-holed into a specific role so they tried to make it just as much and as little as the rest of the origin characters.
It would be great, yeah, but I do not think it will ever happen. If they want all the Origins to be equally important in their own way then I think this is probably going to be all that is going to happen. This coupled with the epilogue as well as talking with your companions works out just fine.
I think, Durge is special and the story was made with Durge in mind (similar to BG 1&2). So I would be ok with even more reactivity - for example that nearly everyone in Moonrise knows you and then the reveal with Kressa. That should be a moment where companions go 'WTF?'
For what it is worth: I don't think, we will get much more in terms of content that involves actors being called back in, but one can hope. I think, every origin has some pretty unique scenes tied to their backstory and that is good. Tav is for our headcanons - I tend to put my pen & paper characters in as Tavs, Durge is very tied to the main stoy, even more than Wyll and Lae'zel, who are imo the two with the most ties to the main story (though Wyll gets pretty poorrly treated - see my other post in Suggestions).
I think, Durge is a pretty extreme character and there should be a bit more reactivity. Jaheiras scene with resisting Durge felt like a breeze of fresh air, because it felt, she was the first one, to take you seriously (well, maybe the love interest too, if you have that scene in act 2).
Edit: Btw: Welcome to the forum, just saw, that you are new
