Out of curiosity do you ever login to your Google account on the web? I also had the exact same experience where they have started increasingly sending alarming

Out of curiosity do you ever login to your Google account on the web? I also had the exact same experience where they have started increasingly sending alarming, and fake, security notices about suspicious devices logging in. Those device are, of course, me logging in from an identical geomapped IP using IMAP as I've done for years. This was following their decision to require IMAP access to require the "allow insecure application access" as an encrypted IMAP connection is apparently insecure now. A couple of times they also reset the "allow insecure application access" toggle on my account. My working theory is that they were simply trying to refresh their fingerprint on my account since the only point of these alerts seems to be to get me to login using their web page. In particular I use Google for IMAP email, but never login to my Google account until forced. That's not so great for their metadata and tracking. Interestingly enough then when I then do login using a proxy half a world away from where I use my IMAP, Google never considers it a "login from a suspicious device." And yeah, as annoying as it is to migrate my primary email - Google is becoming intolerable on so many levels.