he did it for bragging rights. It's called being a kook.
The cops did a great job and were acting on behalf of civilized people everywhere, except they were more restrained than most citizens would be.
I wish the fucking nutjob got a couple more zaps. LOL
He went there because he was passionate about an issue and wanted his voice to be heard. He may have been a little rude. That was no reason for the cops to overreact and tazer him. Tazering is not non lethal. Lots of people have been killed by being tazed.