Robinhood got in trouble (FINRA) for not taking the requirement to get the best price seriously though. It is common to pay for order flow, but it appears that

Robinhood got in trouble (FINRA) for not taking the requirement to get the best price seriously though. It is common to pay for order flow, but it appears that Robinhood turned out to be exactly the sort of crooks that their customers assumed all the rest of the brokers were. It's instructive how you can be cynical, and believe that equates to sophistication, and end up conning yourself.