Swap out "slaves" for "employees", and you've got a southern right-to-work state. (In a northern right-to-work state, they'd just leave out the reference to Christ)
Unquestioning obedience to authority is certainly a core value of Christianity. This is a religion whose prevailing metaphor tells us that we are sheep being herded by a benevolent shepherd.
...please, if it's not too much of an inconvenience. I mean, we could stay on a little longer if you need.