He was not coaching his daughter. He was in the background(not officially in the corner) coaching high schoolers from there. People can go into the weeds about what coaching actually is or isn't, but it was coaching. Nothing will happen because he is the assistant principal at his school. We all know that the good coaches coach in the off season and call it freestyle. Even if we think the rule is stupid, it's still a rule. But doing it at a folkstyle tournament is pretty blatant.