" Regular people are simply scared of an upgrade breaking something..."
And when those upgrades have gained a reputation of doing that, quite rightly so.
"... and having to learn new things."
Experience with smartphones and Chromebooks indicates that that's not the case.
"When they buy a new PC they will not have a choice."
That depends on the H/W vendors. If they decide that Windows has become a toxic brand they'll offer a choice.
Biting the hand that feeds IT
