Now let me see if I get this straight. The job description is to drive people from point A to point B. An employee refuses to do the job. This employee is still employed because.......?
Many cabbies are not employees, but rather independent owners, even if they are dispatched and wear the livery of a cab company.
But if they are employees, they should be outa there, yesterday. But of course that would result in all sorts of "discrimination lawsuits". In some places, Muzzies are allowed to pray in special rooms in schools set aside for that purpose, but Christians, Jews, Buddhists and Hindus are not.