Misleading sites, black-hat SEO sites, and annoying mirrors sites are no more.

By the way, if you somehow find that the setting doesn't work, ie. the "Hide the 'Block this site' links" in Google, at version 8.1.0 in Firefox 105, you just uninstall then reinstall it again.

*Note: Forget it. Turn out it just broken. Uninstall then reinstall just temporary fix, because after a few hours it just broken again. Maybe I should report it instead.