It is needed for advertisement business, for Mozilla corp. (which is an ads business too https://blog.mozilla.org/en/mozilla/mozilla-anonym-raising-the-bar-for-

It is needed for advertisement business, for Mozilla corp. (which is an ads business too https://blog.mozilla.org/en/mozilla/mozilla-anonym-raising-the-bar-for-privacy-preserving-digital-advertising/ https://blog.mozilla.org/en/mozilla/mozilla-anonym-raising-t... ), not for Firefox users. Mozilla has enough money to run Firefox for a decade without accepting any additional money if they stop spending money left and right on non-relevant things.