But in reality, I think this is a scare piece meant to drive people away from using graphing OS.
You aren't born with a GrapheneOS phone and you can't trivially discard or swap your skin color. Born immutable characteristics of humans are a different moral category entirely, even if the statistical inferences are superficially similar to this case... And that's debatable.
I use GrapheneOS, and I think police profiling people based on phone model is bad. But government profiling based on skin color or other effectively immutable, born traits for enforcement of law or policy is so much worse.