So where does this leave us? Probably down a dark road. If someone disagrees with me, I won't fight for them to be banned. I might call them retarded, but that's another discussion.
He can go to Parler if he doesn't want to be on Twitter. He broke Twitter rules, repeatedly, and Twitter was giving him a lot of slack until they didn't. Would you argue that he shouldn't be banned if he came here and started spamming off topic nonsense all over the forum?