You can get an idea what interests the users here, on the platform made to collectively request features.
#3: Put the AI stuff into an optional add-on
#6: integrate Ublock Origin directly into Firefox
#8: Firefox ad-blocking in iOS Firefox
The top rated extensions asking for AI have lower ratings, the biggest one came after AI was already integrated and was just a request to make it easier to get, and they've all been fulfilled... despite being much more recent than larger more popular requests