"Now, it's obvious that he made money in ways that aren't overly useful to society.." FYI making markets more efficient is definitely useful to society by redu

"Now, it's obvious that he made money in ways that aren't overly useful to society.." FYI making markets more efficient is definitely useful to society by reducing costs / bid ask spread. In particular this helps those who get the most utility from this savings, the poor and middle class. Obviously I'm setting aside the ethics of some of his ways and speaking in general. (Although you'd probably want this competition even more so in unethical markets because at least those markets are then more efficient for those getting scammed, ie the poor and stupid.)