I have trouble imagining that to actually be cheaper on the bottom line, considering the voice actors don't get paid a lot and don't get any royalties. I would imagine this has more to do with "risk mitigation", considering the voice actors went on strike once iirc and tried to get a royalties deal going or something like that. Also some voice actors have in the past leaked names of titles being worked on so they stopped telling some of the VA's what they're actually recording lines for, leading to even worse performances because they aren't properly briefed. Iirc Fallout 4 had a voice actor in it in a not minor role, who was a fan of the series and knew a lot about it, but wasn't told he's recording for Fallout 4, so he somewhat missed the tone that he'd given it otherwise. A sad situation all around. I strongly doubt AI is gonna lead to a better product in the end. If you can point me to any articles or similar about the AI voiceover work, I'd be interested in learning some about the technical details though.Heck, I work in game music, the AAA's are investing in deep learning systems that reliably reproduce spoken lines, so they don't have to pay a voice actor.