The blame should be put squarely on the shoulders of tophatter.com. They know the quality of what is being sold and choose to look the other way for the sake of making commission and sales fees on these imitation goods. In my estimation and also the interpretation of the law this is outright FRAUD.
Inverse operations are opposite operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations.
Etymology: ME, un + AS, don. the performance of a specific action that is intended to negate in part a previous action or communication. According to some psychologists, undoing is related to the magical thinking of childhood. For example, a spouse brings home flowers after having a lunchtime affair with another person.