Imagine going into Cazador's Palace only to find out that Cazador and Empy used to be buddies and now they're enemies, so you fight Cazador and kill him and then give Astarion a clap on the shoulder "It's done buddy!" and leave without any meaningful conclusion or reaction from Astarion.
Welcome to Wyll's World!
Yeah, that's pretty much it. They did promised more reactivity, I hope, Wyll get a bit of that too. Everyone gets their big scene after their big quest in act 3 is done, only Wyll does not. I think, there is nothing anymore after Ansur.
"We are all stories in the end. Just make it a good one."