The scout’s voice actor (Nathan Vetterlein) used to be super active, but a few years ago he said he’d be going on an “indefinite break” while he focused on other goals he had in life (presumably to do more than just be the “TF2 scout guy”).
His linked in currently says he’s working as a principle game designer at Wizards of the Coast
You might be interested in inworld.ai/origins , a detective game where all the characters can be interviewed in natural language and respond with AI. They seem to be doing a pretty good job so far