I hadn't heard about this drama before, but as I can piece things together, Leah has been maintaining Libreboot and another boot system for years. Denis and Adrien disagreed with Leah's decision to include binaries, created their own version of Libreboot without those binaries and published it under the same name on a very similar domain trying to claim the existing Libreboot name for their version.

Then I suspect Leah disagreed with that fork both on technical merits (it's based on old code) and with the stealing of the name, but she agreed with the need for a version without the binaries, so she made that and published it under the name GNUboot, intended for Denis and Adrien to base their work on, and now Denis and Adrien are complaining that she's misusing the GNU name.

Is that roughly a correct summary?

Because if it is, it sounds to me like both sides do have valid points, but handled the disagreement very poorly. Denis and Adrien complaining that Leah stole the GNU name when they just stole the Libreboot name, sounds very hypocritical. The whole thing would be a lot better if both sides stopped the drama and powergames and just worked together to create the best possible boot systems; one with the binaries and one without.