Possible it's closer than that.

Combination of GrapheneOS App Store + Zap Store, Amber, Pokey and perhaps some others and Google Play isn't needed at all and the whole sandbox system for Google Play Services can be deprecated. It's headache anyways.

With a hardware partner (perhaps a company like nostr:nprofile1qqswhhhf99z77pfg80s2c00z27rusxn2tzss7450n34krkwa2yadhtgpp4mhxue69uhkummn9ekx7mqpz3mhxue69uhkummnw3ezuerkv36zuer9wcq3vamnwvaz7tmpw5h8yetvv9ukzcnvv5hx7un8lpntld) phones could be distributed with it.