Well great, that's why they weren't arrested.  But how stupid do you have to be though to protest against the very things that give you the freedom to protest? Sure, you can do it, but it's senseless.

So clearly they're at least stupid enough that they'll drive away their paying customers who don't go to the games to hear their opinion, but to watch a game, a brief moment of respite from politics.

Hi sir, I'd like a cake that says Happy Birthday.  No, you get cake that says You Suck. Awesome business model.