Real Bus Attack: Justified or Stupid?

Warning: Video may offend.

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This video is getting mixed responses around the Internet. Some say it is funny and the young guy got what he deserved. Others say the older guy was after a fight as well and the real victims were the bus passengers who had to deal with it. Did everyone see the older guys shirt? It said "I AM a Motherf$#ker.

Leave your opinions below.

EDIT: Just found the second video. Not long after the first. For those interested...