> running many different programs and they all use the same libraries in the same versions It's distro maintainers' job to test packaged apps and converge on a

> running many different programs and they all use the same libraries in the same versions It's distro maintainers' job to test packaged apps and converge on a known-good version of a shared lib. This is only a problem if your distro doesn't package the apps you need, and you build from upstream source ignoring the distro and using all the random versions upstream happened to test.