[cuillevel3]

Distros are struggling with the amount of packages they have to maintain and update regularly. That's one of the main reasons why languages built their own ecosystems in the first place. It became popular with CPAN and Maven and took off with Ruby gems.

Linux distros can't even provide all the apps users want, that's why freshmeat existed and we have linuxbrew, flatpak, Ubuntu multiverse, PPA, third party Debian repositories, the openSUSE Buildservice, the AUR, ...

There is no community that has the capacity to audit and support multiple branches of libraries.