Robinhood gets their revenue from margin interest lending to people who can't afford to invest but do it anyways. And also from selling the trading data to high frequency traders to front-run the Robinhood traders. The top guys at Robinhood all have HFT background and connections. Their pr message is priceless but a sham. The users are the real product, with all that we know goes with that.
https://d2ue93q3u507c2.cloudfront.net/assets/robinhood/legal...