I score that a 10.
After that it looked like everything was slowly getting under control. Couldn't tell what bikini girl did to the cop (too much camera shake) but it pissed him off and he started to lose control. Using four letter cuss words and drawing a weapon on unarmed teens seems a bit much.
That said, the teens don't get a free pass. Cops tell you to leave then leave. Cops tell you to sit then sit until the situation is sorted out. Meanwhile, anger management for the cop.