The only action was an inquiry.
Anything, any time, right up until money has changed hands and the papers have been signed, can be withdrawn from being for sale. That stinks, but until you make the exchange, it is theirs to do with as they will.
Not the way I do business, but legal, I am afraid.
No. There is such a thing as contract law. Offer and acceptance. If you offer something for sale, and someone accepts, you have to follow though or you can be sued. It gets complicated.
On the other hand, he did immediately inform them of the terms and restrictions of the sale.
On the other hand, his restrictions were illegal.
On the other hand, they shouldn't be.
So also is the civil rights action being brought against Rufus.