TTS is already used for placeholder dialogue in games, yeah. That has been the case for a long time. There's not really a precedent for using fake versions of a

TTS is already used for placeholder dialogue in games, yeah. That has been the case for a long time. There's not really a precedent for using fake versions of an actor's voice, but placeholder TTS dialogue has accidentally slipped into large releases before, and a few notable games have come out using AI instead of voice actors (The Finals, one of Cyan's games, etc)