Even if you ban him why do you want to delete all his posts? (nuke)
Don't you want their to be a record left of how stupid the account was?
Some members quotes and scrape/archive his posts, so there will be record if user "Bitcoin SV" (or any user) got nuked.
Still, there stupidity would not be that public and accessible as it is now. And what about freedom of speech ?
P.S. which country regulation should we use regarding freedom of speech in this forum?