Clickbaity title on the original article, but I think this is the most important point to consider from it:
After getting to 1% in approximately 2011, it took about a decade to double that to 2%. The jump from 2% to 3% took just over two years, and 3% to 4% took less than a year.
Get the picture? The Linux desktop is growing, and it’s growing fast.
FWIW, Fedora with KDE is fantastic - been using that as my distro of choice (for systems I want a UI on at least) for a few years now and I love it.