[abc-xyz]

The fact that your company’s product end up being represented by the store and its actions. Mistreating employees and customers, discrimination, bad customer service/return policy, terrible product placement, etc. There are so many ways a store can hurt your company’s reputation by association.

[chrisseaton]

But I mean there just isn't any law like you think there should be.

People are free to resell any goods they own (exceptions for things like controlled substances, other things with regulations etc.)