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.
“I grew up Windlesham in Surrey, which is a beautiful and quaint village.”
“Yes, young men, Italy owes to you an undertaking which has merited the applause of the universe. You have conquered and you will conquer still, because you are prepared for the tactics that decide the fate of battles.”