I'd much rather my PC were unvoiced than have the wrong voice, i.e. one that didn't quite match my character concept or who says things (both wording and emphasis) in a way that my character wouldn't.
Agreed, I think voiced characters work, if they are set, but with having different races and backgrounds, it's pretty hard to find voices for every occasion.
It's very possible to have options.
For example, Solasta has a system for tuning voices based around an "Alignment" style graph of personalities (Allowing changes for fully voiced protagonists).
Many games (Includng BG3 and DOS) offer a selection of voices or voice types for their PC callouts (Some CRPG's also offer "No Voice" for those who'd prefer a silent protagonist for full headcanon players).
It takes more resources to have multiple people record a full protagonists voice lines (And/or have each person do multiple personalities)... But given that Larian is now a AAA studio (To the point where they exclaim their ability to work on MULTIPLE AAA titles simultaneously), they should be able to afford it.
With of course, always the option for silent protagonist for those who don't find any particular voice to their liking.
