To use a software project analogy, it's the difference between working in isolation and dumping a source tarball on a personal website, and creating an nice int

To use a software project analogy, it's the difference between working in isolation and dumping a source tarball on a personal website, and creating an nice introductory website, putting the source on github and accepting comments/pull-requests. One has more chances to get used and studied than the other. At least that's how I understood it.