"After a while I felt like I could just pasta any old random thing and it wouldn't matter."
-this isn't true ( I think ), when I asked it random questions it would answer and when I answered its questions with unrelated answers it would accurately respond to what I say.
"The voice acting, I feel, only cheapened the experience. It made it feel like I wasn't actually any part of this, and that I'm having no real effect, only the protagonist."
- I agree