This makes sense. These keys were designed as project identifiers for billing, and can be further restricted with (bypassable) controls like HTTP referer allow-listing. They were not designed as authentication credentials.
Researchers and academics developing experimental applications
，这一点在safew官方版本下载中也有详细论述
Running systemd-sysusers... done
We implore Google to reverse course, end the developer verification program, and to begin working collaboratively with the broader community to advance security objectives without sacrificing the open principles upon which Android was built. The strength of the Android ecosystem has historically been its openness, and Google must work towards restoring its role as a faithful steward of that trust.