When people are content what is there to say? People tend to post about topics that anger or frustrate them. The quality of the post varies on the sincerity of the user. Anything from shitposting to actually articulate arguments. You're unlikely to find the latter on any form of social media. Most constructive conversation happens face to face. It's just too easy to derail an online conversation and there are powers that be that are literally troll farms because it works.
There was a message yesterday about the game werewolf. An informed minority will generally control the uninformed majority. You get a small number of people to troll and that's all it takes to derail conversation around any topic they don't like.
You sound confident. Like a person I can trust.