[quartus]

Clarification: It did not prevent you from selling your holdings (ie. did not make you a bag holder). It only prevented you from opening a new position.

[hedora]

It prevented people that bought on margin from selling during tomorrow’s short squeeze, since it auto-liquidated their positions.

At the same time as it auto-liquidated the positions, it blocked attempts to purchase the liquidated stock.

One of their major investors directly benefited from the resulting market distortion.