Earlier quoted context omitted.
> PCs had root access by default, so why wasn't it a significant problem for them? They weren't networked. They were notoriously buggy. And most importantly, they weren't warrantied [1]. Root should always be an option. But once you root, it's fair for the warranty to be voided. > OS vendors such as Google and Microsoft have been deliberately "manufacturing concent" Nitpick, the propaganda model [2] attempts to descr…
Uh? My PCs and corporate PCs I've been responsible for are networked including the internet (they always have been). Moreover, they were warranted with no conditions about what software was run on them. Where on earth did you get that notion from? Just because some vendor [your links] has conned the unfortunate client into an unacceptable contract doesn't mean it's commonplace or ever was.
Literally cited the source.
> My PCs and corporate PCs I've been responsible for were networked including the internet
These came later, in the mid 90s. If you have a source for any PC having been "warranted with no conditions about what software was run on them," I'd love to see it. Practically every warranty for PCs voided if you e.g. overclocked the CPU. And almost all PC warranties were limited warranties, not the no-questions-asked up-to accidental-damage common today.