Disabling the notifications is an intended feature.
— GitHub (@github) January 14, 2020
The Advanced Protection Program is our strongest level of security for Google Accounts. Today, we’re simplifying the enrollment process for everyone, and enabling iPhones in addition to Android phones to be used as security keys. https://t.co/QnoLKDPUog
— Sundar Pichai (@sundarpichai) January 15, 2020