Earlier quoted context omitted.
I believe you can root GrapheneOS. It just breaks the security model, so it's not recommended to do so.
Ah, you're right: https://github.com/schnatterer/rooted-graphene I stand corrected. Still, as you say, less point in it since it breaks their security model.
It breaks the entire point of the security model on ALL android devices. It isnt recommended on any Android distribution. It doesnt matter if its LOS or GOS