If you don't want to be banned, you're welcome to email hn@ycombinator.com and give us reason to believe that you'll follow the rules in the future. They're here: https://news.ycombinator.com/newsguidelines.html.
(Since someone is now about to accuse me of stealth Brexit sideage—no, this is just about the tiny business of moderating an internet forum, and that is all.)
I don't lightly ban a 7-year-old account, but (a) we've warned you many times:
https://news.ycombinator.com/item?id=22976700 (April 2020)
https://news.ycombinator.com/item?id=20912638 (Sept 2019)
https://news.ycombinator.com/item?id=20477028 (July 2019)
https://news.ycombinator.com/item?id=19765448 (April 2019)
https://news.ycombinator.com/item?id=17865589 (Aug 2018)
https://news.ycombinator.com/item?id=17623237 (July 2018)
... and (b) you've broken the site guidelines repeatedly lately.
Private entities are allowed to do whatever they want with their platform regarding speech. Twitter, HN, etc. are not obligated to give everyone a megaphone.
There's no way you don't know this already. It comes up every week.