You argue that multitasking was always in mind because of the underlying POSIX threads. Of course an operating system has threads. You say it was because of CPU

You argue that multitasking was always in mind because of the underlying POSIX threads. Of course an operating system has threads. You say it was because of CPU/power usage and also a UX simplification. Do you have any sources for these claims? We could speculate back and forwards but to me it just appears you're making assumptions here. > There's a lot of other obviously stupid claims in there too, I'll leave those as an exercise for the reader That's not how arguing against a point works.