Agreed. I think plenty of articles have covered what happened that day, and the conclusion is that the central clearing risk controls (which are designed to protect both traders as well as the system as a whole) kicked in appropriately to handle the skyrocketing single stock risk.
The big problem here IMO is Robinhood's messaging. What the heck was their PR department thinking? Why didn't they just come right out and say "hey look, we have legal requirements which we're unable to fulfill in the short term, here's an explanation of the risk controls we're unable to meet. We want to help you do these trades safely, we're working to put more capital on the table for you, our beloved users"? Why molly-coddle your user base with "uhh sorry can't, goodbye"?
The big problem here IMO is Robinhood's messaging. What the heck was their PR department thinking? Why didn't they just come right out and say "hey look, we have legal requirements which we're unable to fulfill in the short term, here's an explanation of the risk controls we're unable to meet. We want to help you do these trades safely, we're working to put more capital on the table for you, our beloved users"? Why molly-coddle your user base with "uhh sorry can't, goodbye"?