alt Hacker NewsYes, let's throw away a fully mature smartphone OS (AOSP) and replace it by something that does not even have proper app sandboxing. /s
The alternative are other AOSP-based OSes like GrapheneOS and Lineage. Once they are used widely enough and funded enough, they could fork AOSP when needed. In some sense they have already soft-forked in that they use major and QPR2 releases, but put a lot of patches on top to fix issues, improve security, etc.
GrapheneOS has an estimated 500,000 active installs now, apparently LineageOS has 1.4M active installs. Probably around two orders of magnitude more than traditional Linux desktop-based phones, which have been trying since, checking notes, Maemo in 2005?
Btw /e/ OS people have already shared that they were getting ready for a hard fork of AOSP looking at how Google is acting. But to be fair the challenge is more around the hardware support than the OS itself, so in the end it will be the chip makers which will decide which OS can run or not. If they go the AMD way then great, if they go the old nvidia way where even basic reclocking is impossible then we are screwed.