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.
“And so the idea was, well maybe you can take an Atari video game machine, where people plug in a game cartridge, and plug in a modem, and tie that into a telephone, and essentially turn that game in the machine into an interactive terminal.”