The obvious solution to the problem that I don't see on any of these message board sites is simply to allow users to have their own personal blacklists for bloc

The obvious solution to the problem that I don't see on any of these message board sites is simply to allow users to have their own personal blacklists for blocking/filtering users whose comments they don't want to see. Personal differences aside the paid troll farms boosting the noise has really gotten unbearable on the interwebs.