Declining a research award due to supporting a toxic employee with a long history of unnecessarily hostile and combative behavior (just look at the yann lecun twitter thread). Sounds fine to me!
That’s not how I would interact with a Turing award winner. And it’s not the first time they have had that reaction.
From what I’ve observed it could be a classic case of borderline personality disorder. Generally polite and nice to people but when they get offended they go ballistic.