For all my time educating about free software I realized that there is no red line for Windows users, nor for any nonfree program.
Silicon Valley and the USA are the world hegemon which includes curbing any and all knowledge or awareness of software freedom both domestically and abroad. It's a landlord empire but for computer science where people will defend their landlords because to not do so would be taboo. (The tech "ecosystem" myth)
GNU Project founder Richard M. Stallman points out in his writings and talks that companies like Apple will build a jail so lucrative and advanced that people will beg to be imprisoned and it makes so much more sense.