How is it legal for it _not_ to be? Keeping that information hidden drastically incentivizes naked short selling -- and there is an exploit for naked shorts that will be incredibly difficult to prevent going forward ... no -- the exploit does not really rely on collective action -- it relies on the perception of collective action -- which is definitely fake able in an automated way with current technologies.

Naked shorts at this scale are gonna have to go away and no one will have more incentive to reach that goal than main street wall street ... ideally they can and should do this in a way that simply involves making more information public ...