Take something like day trading, where a company is out of all positions at/after the close each day. Every transaction they engage in is zero-sum. No wealth

Take something like day trading, where a company is out of all positions at/after the close each day. Every transaction they engage in is zero-sum. No wealth is being created, but tons of people are wasting time on it (destroying potential wealth). I don't think the case of day trading is covered by the baseball player analogy.