@HerraBRE @cathal More has been written on this before, especially by @brainwane http://crookedtimber.org/2015/04/10/codes-of-conduct-and-the-trade-offs-of-copyleft/
I once wrote about it too https://dustycloud.org/blog/code-of-copylefts/ but embarrassingly forgot that most of the ideas came from an in-person conversation with Sumana about her post. Oops..
At any rate it's good that this has been a thread about "how can we do these things better?" rather than "rawr down with CoCs"! In retrospect I really risked the latter especially with the post I started this thread with.