- You state that Sponsored “Privacy-Focused Direct Results” were added to address bar, but 1. it's direct results in general, with some being sponsored and 2. it hasn't been released: https://blog.mozilla.org/en/firefox/better-search-suggestion.... The pref defaults to false in current stable.
- Yes, Anonym is an ad metrics firm, but you missed that it's focused on privacy. I am unsure whether they are actually able to achieve privacy or if it's just privacy-washing, but that's their stated goal. https://www.mozilla.org/en-US/anonym/