I am still awaiting someone to explain how this isn't akin to the past non-browser projects Mozilla attempted and then dropped: feels like they would be far better served focuisng in speed and privacy and build a browser folks would pay for rather than pivoting to AI and data collection... One other reason I moved to being a @Vivaldi user...
https://www.howtogeek.com/mozilla-orbit-ai-summarize-articles-videos-firefox/