Don't those subs tend to produce enough hate on their own without having to have anyone fake it? I have a cousin who is down the QAnon rabbit hole, believes a race war is coming, and will happily make new accounts and post all day long to whatever subs he thinks are on the same page as him. He's been through several facebook accounts in just last year.
Can you please stop using HN for political battle? We ban accounts that do that, regardless of which politics they're battling for. We have to, because otherwise this will destroy the community. HN is a site for curious, thoughtful conversation, not hellfire.
Also, please don't create accounts to break HN's guidelines with.
Sadly it's true, and not uncommon. It's possible your experience is different though, and I get that. My cousin always had issues this is just the latest thing he's latched onto.
I can assure you he isn't an antifa plant.