I wonder when he says “it makes no sense” if he is just confused by the complexity of it. Because blocking is more complicated than it might seem at first. It introduces issues where different people see different versions of things, and in some ways blocking can be a little like choosing to put your head in the sand regarding someone, but they can still be around, flinging shit at you.
Being blocked by a lot of people did drop his priority in the Twitter algorithm, enough that he had what remained of Twitter's engineers try to fix it by bumping him up to the top.