Not the real reason
"The problems are a hangover from 2014 when Microsoft shut down extended support for Windows XP"
No, the real reason is :
"The problems are a hangover from 2014 when Microsoft released a catastrophically awful turkey of an OS called Windows 8 that consumers hated and businesses just laughed at"
The hardware's just fine and dandy, the OS mess is turning copies of Windows 7 Pro into a valuable and much loved commodity.