I don’t know why such answers get so many upvotes.
The real answer is: Right-click -> Pin to Taskbar. (In sane desktop environments like KDE. If you choose to install Fancy DE Alpha 0.0.2, you know what you got into!)
Yeah we are in a meme community, still I like my memes based on reality, makes them way funnier.
(Also having a standard place for documentation for everything is a blessing!)
It does include it. The article list it in detail: 36.79% of the Linux users use the steam deck. And the number is falling, which means there are more users also using Linux on desktop PC (or other gaming handhelds)
But that may also just be statistical noise.