"The reason Firefox seems to be getting worse is because Mozilla is desperately trying to find other sources of revenue, and they seem to think advertising is their best bet – even going so far as working together with Facebook. Imagine how much more invasive and user-hostile these attempts are going to get if Mozilla suddenly loses 80% of its revenue?" Mozilla begs courts to allow Google search deal for Firefox to continue: https://www.osnews.com/story/141227/mozilla-begs-courts-to-allow-google-search-deal-for-firefox-to-continue/