It was pretty shocking to see a couple of the responses. If point is to be a package manager then they should see this as important part of the project and not just see it as Github's duty to provide this free service. Basically they are saying their service cannot exist with Github or someone will to expend the, apparently fairly significant, capital to provide the backend to their service. And this is all happening at a time when many people have figured out how to provide package management services in a reasonable way.