I can’t say if it’s what the person you’re responding to had in mind but I noticed Macs have shorter supported lifespans than a comparable Windows machine. Of course there’s factors like Windows being more hardware agnostic but it effectively means that today, no Mac older than 2013-2014ish/that aren’t supported by macOS Big Sur isn’t getting security updates. They do have options in terms of Windows (potentially), Linux, patched versions of newer macOS releases but for a user that’s non-technical I think that’s too soon. I was able to end my college career in 2019 by pressing my 2008 ThinkPad and Windows 10 into service. (albeit hi-res video and 3D games were naturally out of the question, it was up-to-date and got the job done - EDIT: but now that I think about it I did need patched Intel integrated graphics drivers…)
Of course, Microsoft’s ditching of so many machines with the jump to Windows 11 and putting a 2025 expiration date on many machines (without bypassing or Linux) is abhorrent too and potentially renders part of my complaint moot but I still hope the ARM Macs have longer supported lifespans but too soon to say if anything will change.