Pointless. What does this accomplish? Is he going to stop being Muslim? Embrace Christ? Become a more loyal American?
Jerking people around is of no value at all. Stop being silly.
And given that he applied for that job and got it knowing well what it entailed, ordering nothing BUT pork probably wouldn’t offend him anyhow. Yeah it’s a silly game. If you want pork, go hog wild and order many pounds of it, but don’t waste his time on handling stuff you know jolly well you will not buy.