A slam is a judgement call., The big part of what the rule states is that when someone picks the other person up they are responsible for their safe return to the mat. The safe return is purely the responsibility of the offensive wrestler, and there is no requirement for the defender to protect himself. Years ago there was the criteria that the offensive wrestler had to hit a knee first, but that was discarded a long time ago. The slam is a needed call in wrestling because it keeps someone from intentionally drilling someone to win a match, or to make it harder for the opponent to compete. The thing that makes it bad is that whether a kid can continue competing, or not, is dependent on a decision that has to be made in 2:00 minutes of "recovery time". The only person the coach is responsible to is his wrestler. If he thinks that the slam has impaired his wrestlers ability to possibly win the match then his best decision is to not continue. The ability to continue, or not, only has to do with what is going on in that match and has nothing to do with the rest of the tournament. Postulating if the wrestler may be able to compete later, or not, has no (and should not have any) bearing on the decision at that moment. The wrestlers ability to wrestle in matches later in a tournament only indicates that he was able to continue with more recovery time, but proves nothing as to the severity (or lack of severity) at the time the match was ended due to disqualification. I would also add that I have almost never seen a match where to person is DQed for a slam and his coaches, fans, and family were happy.