More and more desktop apps are just becoming websites. More and more desktop apps are using Electron rather than some native app. Windows is slowly becoming a dumpster fire in terms of usability and issues. Most games these days Just Work on Linux without any tinkering.

While I hardly think that this year will be "the year of the Linux desktop" or whatever, but if these trends keep going, I really foresee Linux market share growing, slowly, each year, until it's not so microscopic anymore.