"No shady privacy policies or back doors for advertisers" proclaims the Firefox homepage, but that's no longer true in Firefox 128.
Less than a month after acquiring the AdTech company Anonym, Mozilla has added special software co-authored by Meta and built for the advertising industry directly to the latest release
Sorry but that buys into the data miners’ self serving myths. It implies the protocol is ok unless some failure makes it leak more information than was intended. In fact it’s invasive even if it works exactly as hoped. “Tracking” is a misnomer too. It’s hostile surveillance even if it’s at population level. (Any nonconsensual surveillance that produces info to be used by people you don’t like is hostile by definition. And it’s near guaranteed that some of the buyers-advertisers, political campaigns and funders, govt agencies, whatever-will be people you don’t like). So shut it down.