Does anyone ever tell David Tepper what a cartoonish villain of a sports owner he has turned himself into? Does anyone in the Carolina Panthers’ offices ever say, “Hey, Dave, that might be a little much. We’re about to try to hire America’s best head football coach, so could you please try not to look like a clown?” Does anyone ever rein the man in, forget about all his billions for a while and just give him a crash course in human decency and how not to let your emotions get the best of you? Obviously, they don’t. Or at least the ones who are left at Bank of America Stadium don’t. As a former…