Oh my, have you read the NYT, WaPo or most news message boards?
Oh my. They're sewers. And it's not relegated to far right, far left, race, gender, etc. It can lead to brain rot and an emotional beating reading the "sickness" that people communicate. There are a lot of ugly beliefs, anger, hate and statements. Of course, most of these people would not have the courage to say that to someone's face or in their workplace. Some, but not most.
This board is not "clean" and dirty at times yet I will respectfully argue it is nowhere near as obnoxious, generally speaking, than news message boards, Twitter of FB (which I no longer do). If I didn't use Twitter for business purposes, I'd quickly check out of that dumpster fire too.
I'm certainly not saying this forum is exceptional. I do believe there are smart people speaking in an educated, well-meaning manner most of the time, even when we see things differently. Is it always polite, compassionate and reasoned?