The problem with many general users is 貪新鮮, 貪新忘舊
And they simply take whatever for granted, even an immature system like Winblowz10 riddled with all those driver crashes, privacy issues etc. etc.
W8 is OK only when the Start menu mess has been taken of
W7 after some 8 years is still one of the most stable, and will be my OS choice when I shop for a new laptop later this year (before that Micro$uck deadline)