We call him Gorbachev around here (or Gorbachov)

Besides, aren't we a bit quick to judge? ceasar010 only said he saw the ad, not that the teacher said "OK class, look at this ad. Every word of it is the truth, and anybody who doesn't protest on October 5th will be placed in detention". The teacher was probably just showing them so they could make their own decision about it. In fact, the teacher could have been mocking the ad. We don't know.