I realise you were talking about online, but I'm thinking of real life rather than online, in my case. I greatly restrict my online activities, and generally refuse to argue with those who have entrenched, polarised positions on any subject (I have offended plenty of people online too, believe me). I also refuse to have Twitter, TikTok, and most other social media, which helps. Both strike me as cesspools of extremist misery. :)