Hmm, something about that video makes me think it was staged...
Anyways, that professor may have gone overboard, but it is
extremely rude to answer your cell phone in class, especially if you sit in the front row. That's a major insult to the professor, and shows a lack of respect for everyone there, students & professor. Who cares if you are paying for the class, you pay to see a movie but you don't answer your phone in there either (well assholes answer in theatres :roll
.
Like RC said, I would have just asked him to never come back, not destroyed his property.