Am now closing my account.
That's up to you, but I think it's an over-reaction.
Trading with strangers on eBay it's inevitable that you will sometimes encounter a nutter.
Compared to the threats, insults and obscenties some members have received, your correspondent's messages are almost laughably trivial. You can't expect eBay to penalise them because they think your item was only worth 1p. Or for calling you a Remain supporter!
Just do the obvious: put them on your blocked bidders list, and forget them.
