Firefox already has a built-in option to block all tracking[1], the reason why this add-on exists is that it lets you keep Google into a separated Firefox Container[2]

[1] see here https://support.mozilla.org/en-US/kb/tracking-protection?red... or, alternatively, you can use Privacy Badger or one of the many ad-blockers that let you enable tracking-related lists, such as uBlock Origin.

[2] see here: https://addons.mozilla.org/en-US/firefox/addon/multi-account...

Regular trackers can be blocked outright. One may need to use fb and google from time to time.