From the new terms:
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.
Which I’d consider not a variable anylonger tbh: anything on the internet that is not put behind a login wall should be assumed as scrapped, machines can work 24/7 like humans and downloading is easy.
Like sure, we gotta fight that, but technology for open access is not the field where that fight has to be fought.