Mozilla CEO Anthony Enzor-DeMeo says that "AI must be clear and understandable": https://blog.mozilla.org/en/mozilla/leadership/mozillas-next-chapter-anthony-enzor-demeo-new-ceo/
This seems like a really advanced goal they want to achieve with Firefox, some would even say "impossible" with current LLM-tech.
I do not believe that they will be able to achieve that so why they would include all this AI-bullshit-generator stuff as part of the browser is beyond me.