Banning pay for flow is negative to retail investors. Once they get rid of that, it will be the end of Robinhood and the other brokerage firms will return to

Banning pay for flow is negative to retail investors. Once they get rid of that, it will be the end of Robinhood and the other brokerage firms will return to pay to trade model. Also you get price improvements when trading with the market makers compared to the exchanges. Market Makers want retail trades because they have less exposure to hedge funds that maybe operating with more information on the directionality of the stock than the market makers. Market makers just want to scrape pennies on the bid ask spread.