What is going on is frustration. GrapheneOS has been relying on Google's good faith effort on providing binary blobs to Pixel in addition to AOSP to make their OS. Google was under no obligation to give that, and they stopped doing it for whatever reason.
To make things worse, GrapheneOS mentions legal/anti-trust blah blah blah, which means no engineer will touch / comment / help in the matter, and it gets routed to legal blackhole.
> then eventually we escalate all the way to the point we actually escalated to, where people have said in all seriousness that Trump might try to put minorities in camps *and murder them*.
I think the author is fair to say that that's an exaggeration of what most people suggested Trump would do.