Not surprised. Christians seldom actually turn the other cheek.
They will turn the other cheek when they want you to put it in deeper.
That's a misleading title. He wasn't fired for calling Osteen a piece of shit. He was fired for saying that to a customer while he was on the clock. The outcome would have been the same regardless of who the customer happened to be, although in this case, the customer truly is a piece of shit.