Personally, I prefer imagining what/how my WoL speaks.

The only bit of AI in voice acting that I would accept is if they managed to let the NPCs actually say the WoL's name in a cutscene instead of something else.
(Obviously, this would need to be contractually locked down rather hard so the VA's voice cannot be used for anything but forename/surname of the characters, as well as making sure no player gets to abuse that feature.)