Yeah one important key is not logging in. If you use Aurora store to install apps, and don’t log into any Google apps, Google can’t be certain of your identity enough to tie it to your previous Google account. I guess they could probabilistically match you based on stuff like your location in Maps app vs. a previous normie device known to be “you”.

One thing I’d like to test is the implications if you log into Gmail on the hardened Vanadium browser and then log out. I would think it would still be pretty safe on Graphene because Google would have no access to other apps activities on the device and even location requests don’t get routed to Googles geolocation service unless the user specifically turns that back on.