Originally Posted by
EmailKid
It catches those who try to purchase cheap upgrade certs and then closes their account. What UA gains is having one less flier gaming the system.
That and reports of closing accounts helps decrease bartering of certs.
Posing as a
buyer would be useful for that but I don't see it being useful as a seller--how is the buyer violating the rules? United can't very well make a rule against buying a cert as they have no agreement with the buyer.