Re: Its not Windows 10
MH "...the reason PC sales have slumped is because since around 2009 PCs have reached the performance targets that most people are happy with. Reliability has also improved and therefore most people live with what they’ve got."
Yep. Bad capacitors 1999 - 2007. (https://en.wikipedia.org/wiki/Capacitor_plague)
Computers since 2008 would typically be more reliable (not including HP laptops).