Lol, seriously my friend do not repeat that argument. OFC people use very old PCs. If you had a mac running for 10 years, this is not a regular event. The guy mentioned in this post, Louis Rossman, has made a lot of cash from pointing out the flaws behind the Macbook design. He makes a good living repairing them.
The company I worked for had 286 PCs running the stock system all the way up till 2013. This is a PC that was running for 24 years before they considered replacing it. The company was not some back street mickey mouse set up who didn’t want to spend cash. This was one of the major car companies. Large companies do not change things that are critical to the operation without a lot of effort to makes sure it goes right. They rely heavily on old systems because they know they work. This is very much the case across a lot of large companies.