It was a dickish thing to do, it really was, but he had no other option that gave him as much flexibility. He had a mission to fulfil and a geas to cancel out. Also, he liked the idea of not being in Equestrian captivity, answering God knew how many questions he'd rather not and then be sent to Griffonia on the ponies' terms. That was even if they would do so at all after this debacle.