Based on the rule. If he hadn't been going to the ground, it's a catch. Since he was, he has to have a firm grip on the ball and it not move when he hits the ground.
Fringe groups try to align themselves with the group/party that more closely aligns with their beliefs. Doesn't mean that group/party wants to accept them.
No, it really can't be made. Actual proven restriction of a certain group's free speech isn't anywhere close to the same argument as allowing free speech for everyone.