Even for people who are close to them, its really hard to tell, concidering how they act, but i can say that some of them do enjoy it to the fullist, or more like trying to go along it and pushing their human side away instead of doing the opposite. Thinking it's the right thing to do and we're better than all the others(V's case), They're just too consummed by the luxury, to realize what they really lost in the process, i'm sure that it'll come a time when they'll wish if they can come back in time and do better, and regret it all, but it'll be too much late.
I'm sure as humans some of them do have this moment when they say thats just wrong, its not okay but than it is what it is.