You are refuting the statement I never made. There's no such thing as general threat. So who's data? If you are Julian Assange you should be afraid of US spying agencies, but if you are an Uzbekistani dissident it's your gov't repressive machine you should care about, and tracking possibilities of your direct adversary will be diminished with the discussed Mozilla's move. If you are an average Joe in a small town you may find it safer to trust faraway commercial entity rather then your neighbor's nephew who works in a local ISP.