At least in Finland the ex-politicians usually become lobbyists, public speakers and leaders in private organizations.

I wouldn’t be surprised if it was similar in France.

Back then OpenAI also heavily used/developed/showcased the AI technology for DOTA 2 (Valve’s game) bots, at level which was spectacular at the time. It makes only sense that the front face of a company shows interest in the (non-profit at the time) product of their partner organisation.