This is just "buy low, sell high" but automated. It is no different than what many humans do every single day, just at a much faster clip and with better proces

This is just "buy low, sell high" but automated. It is no different than what many humans do every single day, just at a much faster clip and with better processing power. Used car dealerships are a great example. If you think its dumb that humans try to find price mismatches in order to make money...well you may hate the idea of capitalism, which is probably a fair take.