#gm,
twatter is still a fetid deplorable cesspool of incoherent filth peddled by small-minded, bigoted zealots and deeply troubled, insecure humans
have a nice day! 
Discussion
Here, I found a solution to that for you
https://help.twitter.com/en/managing-your-account/how-to-deactivate-twitter-account
I still believe that this guy was an OP or that this version is someone else who assumed the identity when he left.