People might feel better about this entry if it were in the discussion section rather than in the main section. Also note that one needs to be careful about focusing on such arguments. Reversed stupidity is not intelligence. Moreover, the argument you mention about faster than light travel has non-trivial forms. A classic puzzle given to beginning physics students is very close to this, where one has a laser beam that is focused on a very far away object. If you move the laser pointer a little bit the dot will move much faster than the speed of light. The problem is to explain why this doesn't violate special relativity.