I was thinking of quite a lot of the just-before-the-Internet academic software released under a permissive license, which splintered into a thousand fragments.

I was thinking of quite a lot of the just-before-the-Internet academic software released under a permissive license, which splintered into a thousand fragments. And Keith Packard frequently regretted X11 being under a permissive license, given how much company forked work the home project never saw code from. It is easier to give back now, this does help.