>Trading stocks, or active investment is important for the ecosystem, and having people learn hard lessons like not to gamble with money they can't afford to lo

>Trading stocks, or active investment is important for the ecosystem, and having people learn hard lessons like not to gamble with money they can't afford to lose is equally valuable. Free Markets depend on willing participants, and progressively greater efficiencies How do ignorant investors making senseless trades and learning "hard lessons" improve market efficiency?