Mozilla communicated the feature at hand:
https://blog.mozilla.org/en/mozilla/mozilla-anonym-raising-the-bar-for-privacy-preserving-digital-advertising/
While yes - apparently this implies a binary blob - you did not fairly compare these browsers. Your conclusion may be premature.
Shortly googling for your second argument about "ChatGPT" pointed me here:
https://blog.nightly.mozilla.org/2024/06/24/experimenting-with-ai-services-in-nightly/
Which you also wrongly paraphrased.
Therefore I doubt that you are capable of doing a objective analysis of internet browsers - one of the most complicated software on your computer running :0240: