https://arstechnica.com/gadgets/2024/07/loss-of-popular-2fa-tool-puts-security-minded-grapheneos-in-a-paradox/

The article unfortunately leaves out most of the points we made in the thread.

GrapheneOS supports hardware-based attestation and it's entirely possible for Google to allow it as part of the Play Integrity API. They choose to ban using GrapheneOS.