I didn't really get why I'd want to actually use it (vs. just a cool demo) either, until:

> means if you want to make changes to a third-party package, you don't have to take on the maintenance burden of forking, you can package and distribute just your changes.

That's a big win. I've seen and done my share of `# this file from github.com/blah with minor change X to L123` etc.