It's hard to equate this with scamming. It's more like a game of chicken or "you show me yours, I'll show you mine." If we thought that you thought you'd really be getting a TC after that money was sent, then we'd ban him. If you were a new player we'd ban him. But that was not the case.
__________________
Computing the probability that at least one of the following events will occur:
P(a or b ... or z) = 1  P(!a and !b ... and !z)
Probability
