Mozilla has just deleted the following:
“Does Firefox sell your personal data?”
“Nope. Never have, never will. And we protect you from many of the advertisers who do. Firefox products are designed to protect your privacy. That’s a promise. "
Source: Lundke journal.
I don’t have the money to pay for every project, but I would be fine with ads respecting my privacy. I don’t understand where Anonym came from while EFF DNT policy has existed for ages and they could just have bundled https://www.eff.org/files/effdntlist.txt like the AdNauseam extension does and I have been using the list with uBlock Origin for ages without issues.