It's a valid question and most responses here are missing the main point - saying that "Because it needs to run on Kubernetes" or whatever is valid, but that's

It's a valid question and most responses here are missing the main point - saying that "Because it needs to run on Kubernetes" or whatever is valid, but that's like saying what's the point of a car? So that we can mount an engine in it. If you're not dependent on any externalities, you could just ship your executable over rsync to the server and you're all set.