Generally speaking, politics is verboten. Politics-adjacent stuff probably doesn't go over well. Covid conspiracy stuff, etc.
It's enforced by a cadre of unknown people who may or may not be logged in at any time. (I'm serious)
General rule of thumb- don't be a dick, and if they warn you, commenting on it or disputing it on channel will result in an instant mute. That's HT's policy.
Wiley.