TL;DR
- Efforts like Graphene OS face increasing pressure from apps that refuse to run on non-standard Android.
- The custom ROM project characterizes Google’s approach to device attestation as incomplete and flawed.
- Graphene OS is prepared to take legal action if Google won’t let it pass Play Integrity checks.
The problem of being stuck on an old kernel isn’t because of Google or Android, but because of chip makers (e.g. Qualcomm) not providing drivers.
I do blame Google. It’s their platform. They could mandate upstream kernels.
They could define auto discoverablity for their platform hardware. Then it would be possible for generic ROMs to boot on any Android phone.