That's pretty reasonable. Not allowing people 'out' is a pretty extreme measure and could cause serious financial distress. Not allowing people to 'buy'? Then

That's pretty reasonable. Not allowing people 'out' is a pretty extreme measure and could cause serious financial distress. Not allowing people to 'buy'? Then 'buy' somewhere else. Behind the scenes issues aside, it's not an unreasonable policy. Being 'Sold Out' of some hot commodity because of supply chain problems is a thing. You have to go next door to buy that thing. Returns? That's allowed. I don't think they ever should have been in that position but I don't see the policy as deeply unfair.