Sure they have a mission. But sometimes mission can be done by taking 1 step back to later make 2 steps forward in fast pace.
At the end all profit. While in current state, the culprit, Google profits.
And please keep fallacies like "do it yourself" for yourself, I am talking about collaboration, feel free to open another thread on top level about forks.
Same goes for /e/ ... they just dont compare.
GrapheneOS has two use-cases that are they excelling with, security and privacy.
While security is not really my threat model (some rubber-hose cryptography aka large wrench, solves this issue for any attacker), privacy violations are everyones issue. Even if they dont care.