Desktops computers or colloquially FAT Clients are an awful, wasteful way to enable workforce productivity. With failing disk drives, space consumption, security defeating features, and the never ending upgrades to cater for the endless specification creep of software, people with larger desktop fleets have had no other choice but to look to alternatives.
“Over 50% of small businesses disasters are the result of hardware failures”
There is a point where hardware becomes end of life and end of support, which basically means it is too outdated to perform efficiently. Despite hardware being more reliable with new technologies put in place and steps able to be taken to extend their life (i.e. SSD Hard drives, memory upgrades), they will inevitably need to be replaced.