No at all how that other reality where they didn't "turn off the buy button" would've worked out. In that other reality you are proposing, Robinhood gets decla

No at all how that other reality where they didn't "turn off the buy button" would've worked out. In that other reality you are proposing, Robinhood gets declared insolvent and enters into receivership at the market close. Your entire investment account gets frozen for a year or so, until the insolvency process is finalized, and you can finally get your assets back.