Do I get a refund on my souvlaki?
I saw that happen once in genteel Kent, England. A uniped male mocked and derided a crowd of out-of-town bikers who did what the two apparent instigators did in the vid. Then a wave of bar stools pounded them, and then they pounded them back.
Adrenaline is an amazing drug. When the dust settled no-one appeared injured.
Thing is - we all have it within us.