alt Hacker NewsStable interfaces and not being in versioning hell (cough libc) would actually be good for FOSS as well.
If you make a piece of software today and want to package it for Linux its an absolute mess. I mean, look at flatpack or docker, a common solution for this is to ship your own userspace, thats just insane.
Agreed... I'm kind of a fan of AppImage/Flatpak/Snap (less Snap, but still)... even then, I don't use a lot of apps, and most of my variety is usually via Docker.
It's much more bloated than it should be, but the best way to reliably run old/new software in any given Linux.