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.
SteamOS and Bazzite are certainly contributing among gamers, but there also seem to be a lot of casual users moving to Mint and pop!_os. I’ve seen quite a few people using them to extend the life of older hardware.
I’ve got Mint XFCE on two old laptops