I almost put in my post above that I saw comments that came across rude or unnecessarily harsh. It’s a shame really - especially when all people are trying to do is help.
I think forum style platforms offer the best of the lot too - they can be fast moving but not quite as ‘live’, meaning if people do speak before thinking they’re able to edit what they said (or a mod can step in if need be). This leads to far fewer interpersonal issues developing 