Most non-US users. Many tech savvy US users. (Biased answer from tech savvy us citizen.) Even with an account, I would absolutely not use it for 3rd party auth

Most non-US users. Many tech savvy US users. (Biased answer from tech savvy us citizen.) Even with an account, I would absolutely not use it for 3rd party auth. The perception of Google with normal people is still good, but it has sharply shifted with techies. It is only a matter of time before it becomes a liability. Sample size of one, and all opinion. Take with a nicely proportioned grain of salt. As you should any and all responses.