Agreed.
Having said that, we have a more peaceful and effective way to protest those who don't stand for the real National Anthem at the Cathedral of Baseball (and there's lots).
For those sitting adjacent to you, just sing it as loudly and obnoxiously as possible. You'd think otherwise, but it pisses them off right good.
Well ---in some places in Texas, that would get you a fight started just as easily as tugging on someone's ear would!