I am so pissed by this move, it is totally against the spirit of free software and GPL. Using additional contracts to subvert the free software licenses. You get to see the software, but you can't share it further. RedHat would not be here if someone behaved like this 25+ years ago.

I would prefer a variant of GPL which strictly forbids this (imo it should already be forbidden, these are clearly additional restrictions). Let's put "GPL v2 or later" to good use...