First, no, that is not true. Second, no one is trying to prove causation here, so it is irrelevant. Third, the existence of more violence is enough to justify a

First, no, that is not true. Second, no one is trying to prove causation here, so it is irrelevant. Third, the existence of more violence is enough to justify avoidance, so causes and correlations can be left to policy makers and sociologists.