

Because the main apps used on other systems work on Linux, and also games.
Linux phones now is more Linux in early 2000, a few apps that kinda work, you don’t have banking apps, games, android auto like, streaming apps or any of most common apps used by users
So Newpipe, SmartTube, Nintendo emulators…
Clones of opensource apps bundled with ads that violates license is OK, but restricting everyone to build and test apps from source so it can test new features and report any issues is too risky for the user