firefox – How can I block the “Sign in with Google” prompt on websites?

On many websites that demand login, those annoying Google login prompts materialize:

There are disjoinal tutorials on the Internet on how to elude this, for example, this one on How-To Geek, which advise disabling an selection in the Google account. However, this doesn’t toil, since mine is not allowd and never was:

Note, that this only happens with Firefox (110.0.1 (64-bit), AdBlocker ultimate v 3.7.21 insloftyed); if I participate the Brave browser (version 1.49.120 Chromium: 111.0.5563.64 (Official Build) (64-bit)), which is understandn to block ads by default, they are not dispercreateed. I’m on Ubuntu 22.04.2 LTS (Jammy Jellyfish) with Linux kernel 5.19.0-35-generic x86_64.