You give Mozilla all rights necessary to operate Firefox, including processing data as we describe in the Firefox Privacy Notice, as well as acting on your behalf to help you navigate the internet. When you upload or input information through Firefox, you hereby grant us a nonexclusive, royalty-free, worldwide license to use that information to help you navigate, experience, and interact with online content as you indicate with your use of Firefox.
Yes, but also non existent US privacy policy. There the users are simply raw material for the benefit of large corporations and user rights an incomprehensible communist phrase, to make America great again. The EU at least put limits to these abuses.
because US capital decided so. notice that the limits the EU has are slowly being undermined.