Well that’s not exactly true, most GPU cards in mining operations are voltage underclocked and run at a stable rate. It’s much harder on a card to run in a typical desktop scenario with constant voltage changes and power on / off cycles.

That being said, there is a difference between a large scale mining operation that are maximizing profits to jimmy bob wanna be techbro trying to start one up

(And honestly, fuck both of those)

https://www.pcworld.com/article/395149/should-you-buy-a-used-mining-gpu.html