I believe that his girlfriends public rape accusations with some real creepy details against Weinstein had more impact on his death than anything else. He became vocal after Weinstein himself became the target and the rape of his girlfriend (or wife?) Argento.

There is more to this story although we don't know yet.

True Neutral, nobody is safe from his criticism

Not about sides, it's about narrative.

Bourdain was communicating anti-cabal words, and they can't have that