Exactly. It’s utopian “freedom” of tyranny like libertarianism. If every app bundled all of its own shared libs, and the FS deduped files and shared library loader deduped memory pages, there would be still be isolation, with sharing AND add the ability to upgrade any piece of software without having to maintain forests of NIX packages to or Habitat individual special libraries to reference count. And, to delete an app, just delete the app, which decrements dedupped files and deletes singular ones... no shared components to clean up! ZFS lz4+dedup plus GNU stow