That's not really what everyone means.

However the recent success of gaming-related distros such as SteamOS and Bazzite seem to be succeeding where Usability-focused distros such as Mint, Pop!, and Zorin couldn't get deep traction

It just...has made it. Plenty of power users just use it as their primary OS. I think official figures under-estimate it because many people daily-driving will spoof user agents of other OSes.

And there's Android.