I'm glad that GrapheneOS exist, and it's sad that they are the exception and not the rule.
I think projects like CalyxOS and LineageOS should adopt some feature from GrapheneOS like contact/storage scopes, sandboxed Google Play Services, Network and Sensor toggles.
At the same time, I think GrapheneOS needs to reevaluate their presence in social media.
I can expect the average normie to use Gmail and Outlook, but why European Governments don't deploy their own infrastructure? Why don't they have their own email server, or have a deal with European providers like Tuta? Why don't they fund the development of a Linux distro of their own instead of relying on proprietary and closed sourced solutions outside the EU?
They have money, they have talent, they have ideas. They just didn't want to invest, and now they cry.
The problem with forks is that you need to trust the original party (Mozilla) AND the developer of the fork. Also, that fork will inevitably lag in security updates coming from the original party.
Firefox is still pretty customizable with user and enterprise policies, and most telemetry can be disabled. They have shown that they listen to their userbase, even if capitalism forces the for-profit part to make cuestionable decisions.