This didnt age well. Maybe wait for all the information to come out before you jump to conclusions.
1. He wasnt a Vietnam vet.
2. The "Vietnam era vet" (big difference) essentially accosted them and then played the victim.
3. The "smirk" was the look of a 16 year old high school junior who didnt know what other look to make when being accosted by a slew of black Israelites and some idiot beating a drum directly in his face.
But the kid was white and Christian, so yeah crucify him because CNN and MSNBC tell you to. Maybe you can help Cathy Griffin ruin his life some more, you know, just because it's fun and you feel outraged.