This is the way to force the Islamic community to clean up their squalid cesspool of a religious community. Once they are outcast without any help from the infidels they will be bound to use camels and find ways for infidels to pump and sell their oil.
Once they are outcast without any help from the infidels ...Ostracizing groups is a very powerful tool. If no one would do business with the Muslimes in, say, Dearborn, MI, how long do you think they'd hang around. Being unwelcome can be very motivating.