I'm no fan of the man, but banning Trump, in retrospect, will be a mistake. From now on, Instagram/Twitter/FB will have to start taking sides in civil wars, religious disputes, and geopolitical disagreements. The Israel/Palestine conflict now has a new front. The Ayatollah is literally calling for more missiles to be fired[1] at Israel on Twitter. The lingering question is how, exactly, do you deal with this?
[1] https://twitter.com/khamenei_ir/status/1392175039181623301