No joke, that's the real term https://support.apple.com/en-us/HT201624 "About vintage products. -- Products are considered vintage when Apple stopped distributing them for sale more than 5 and less than 7 years ago."
Well, not much has changed on the intel side in that timeframe. My 2013 laptop is still getting OS updates and performs fine for my needs. And now I can brag that I'm running a vintage computer as my daily driver.