That could have ended very badly for him if he didn't get back to his car in time. Like the previous poster said I'd have run them over and when the cops come after me I just say I feared for my life. With that video no jury would convict me.
Yeah that section of Boston is notorious for shit like that going on. Also they weren't vandalizing cars they were just being typical drunken Boston douchebags that are leaving the dance clubs.