Also I’d rather there was a separate option for additional privacy than it be the default.
People who want the extra privacy can usually figure out what they need and how to get it. The average person will just switch back to chrome when websites break. They wont be able to figure out which settings to toggle off in order to fix the site
Keep Firefox useful for most people while also building more privacy friendly features.
If it’s something people SHOULD be using, have a popup explaining it and let people decide