Be that as it may, without an extended analysis of the possible multiple interpretations and conflicts with copyleft, it leaves the author looking somewhat shrill.
I am, in this instance, pragmatic: explaining what’s bad, why it’s bad, what we need to do right now, and that’s it, and now I’m trying to work on a solution with the GitHub people.
If this is not enough, do your own research. In my referrers, there have popped up some Russian sites that (according to Google Translate) did some of their own research (and came to similar conclusions). Ex-Debian’s joeyh did, too.