I’m specifically interested in those instances where Micay/GrapheneOS tried to pressure other projects to stop using their code, because this would indicate that GrapheneOS is not truly free (libre) software as it is believed to be. This image clearly insinuates that he used this type of threat against DivestOS and this post from TimSchumi (LineageOS team member) suggests it’s a regular occurrence with them.
He also requested that Bromite remove all GrapheneOS/Vanadium related code, while he seems to walk that back later (and clarifies it’s not a legal demand) he does threaten to change the license in his initial post here.
Software freedom is about what you, the user, run on your own hardware. Different concerns apply to server software. The client side is what matters as that’s what you run on your hardware, but if the server side is free as well then you are not tied to the service provider and can use a different service provider or run your own instance.
With server software, the main concern is “Service as a Software Substitute” - doing your computing on “cloud” (someone else’s computer). See Who does that server really serve?.