I'm certainly helping as I made my ThinkPad T41 my daily driver and dual booted 98SE and NT 5.1 on it, instead of my preferred NT 5.0 (not sure if external WLAN would work on it) or 5.2 (router hates its older crypto libraries it seems turned out to be an issue with an older driver that affected xp as well). When I compared to Q4OS based on Debian 10 with Trinity, XP has much lower RAM consumption (350 MB vs 120 MB) and I only have 512 MB of DDR400 in the laptop. So while Linux keeps moving on into a 64-bit abyss, 2000 and XP stay around to serve older hardware.
All of the casual XP users I know left it years ago (some lost the eye strength necessary to use a computer or upgraded to W7 in 2012, while some hung around through to W10 in 2016) but I'm still really pleased with the performance of the Pentium M on XP x86, let alone the Xeon X5670 running Windows x64 (lots of driver documentation refers to Windows XP x64 as just Windows x64, since it is a pioneer OS).
I started using XP in November 2002 and I can't believe that I'm still using it now, even though I still resent the changes made to it with SP2 (like "Open File - Security Warning" and removing "Professional" from the startup screen). Using a 16 year old computer would mean using one from 1986 at the time, so I guess no one would think that XP would last that long!