I would say 95%+ do just this. The Debian, Ubuntu, and even Fedora repos are very large and include all the software you could ever want. And then flathub takes

I would say 95%+ do just this. The Debian, Ubuntu, and even Fedora repos are very large and include all the software you could ever want. And then flathub takes the rest. It’s really only arch with the AUR and some others where completely untrusted packages are used. This is legitimately a better model than what windows does, although Microsoft has been trying to change this with winget.