Google authentication always fails: "Couldn't sign you in. This browser or app may not be secure..."

[Aman_M]

@ylluminate

New account creation might be possible, but Google will not allow me

No @ylluminate, I meant creating a new profile in Brave like this- Create a new profile to help Troubleshoot

@Mattches

Using a fresh profile is a much better approach. To do this, select ☰ --› Create a New Profile.

and try to sign-in your same account there. Do post an update.