Every distro and BSD everywhere comes with e.g. find, tr, grep, and so on so all you do is write the glue in a language that also ships with the OS (and is port

Every distro and BSD everywhere comes with e.g. find, tr, grep, and so on so all you do is write the glue in a language that also ships with the OS (and is portable across all of them if you keep it POSIX). How do I run your node.js thing on my system without installing dozens or even hundreds of packages and modules? It's not the same thing.