Its honestly kinda weird, bazzite and nobara are fairly big. Must be a bug
Edit: Looks like flatpack usage prevents them from monitoring OS, a lot of fedora stuff uses the flatpack for steam. Flatpack users are 5.73% of all linux users, most are on steamos.
Truly unhinged that they decided to come out on this. Fellas, you are fucking Swiss why throw yourself under the bus for the US election