Anyone who knows Gary knows he’s a (relatively) gentle human being. I can’t imagine him hurting a fly.
His tweets seem totally out of character compared to the Gary Tan I personally knew. Maybe he has changed?
I’m inclined to give him the benefit of the doubt.
OR
like you said, maybe he is on some behavioral or cognitive decline. Another Lee Holloway situation [1]
[1] https://www.wired.com/story/lee-holloway-devastating-decline...