>>2421865I cannot hope to look into Team 4Chan™'s mind, but I'm pretty sure it was made clear /bant/ was created to house all the non-political threads and started regularly popping up on /pol/ following its astronomical explosion in popularity
(if I remember right (and my memory has gone shit (especially when it comes to the internet)) this was stated in the thread where they asked users to come up with a name for the board that will eventually become /bant/)