I’ve come to realize that, in general, bball refs are predisposed to call fouls on big men. I see it in Middle School basketball games with my son. My son just turned 14 in December, but is 6’1”, so he towers over most of the other players he goes up against. I see him get called for fouls quite a bit that appear to be clean blocks. It almost as if the refs feel the need to ‘protect’ the smaller players from the big bully out there on the court.