If it has to be explained, then it is perhaps not your "step" that is empty.
Whoa! A snappy come back. By the way what was your point?
By the way an American made the video therefore the attacks on our embassies are justified?
The point is that the public is not responsible for replying to your questions if the answer is obvious. We have to assume a certain amount of analytical skills on the behalf of adults in even forums like these. You are either disingenuous and deliberately obtuse, or merely simple-minded.