Freedom to differ is not limited to things that do not matter mush. That would be a mere shadow of freedom. The test of its substance is the right to differ as to things that touch the heart of the existing order.
In the holy city of Mecca violence of any kind was forbidden. From the moment they left home pilgrims were not permitted to carry weapons to swat an insect or speak an angry word a discipline that introduced them to a new way of living.
