That brokerages would remain neutral and allow buy and sell orders of listed stocks like they do on other days. It's totally fair to acknowledge a sudden and unpublished rule change at the market open that foreseeably led to big price swings.
At a minimum, the SEC needs to step in and describe the exact circumstances when brokerages are allowed to unilaterally halt sales of securities. Markets where people don't understand the rules are worse than casinos.
With a real stock, somebody has to be left holding the bag at the end. (Probably with BitCoin as well, but that's a separate discussion.)
My understanding was that, with the short squeeze, for a certain number of those stocks the buyer would be the hedge funds. But it seems like at this point there must be way more stocks that the buyers have bought than the hedge funds have shorted, no?
Unless there's some other scheme that I'm unaware of, I think Tesla buyers do think it's worth that much, though they may be wrong about that.