We know for a fact that whenever Mozilla solicits feedback for AI additions, it heavily leans negative.
https://connect.mozilla.org/t5/discussions/building-ai-the-f...
https://connect.mozilla.org/t5/discussions/building-ai-the-f...
When Mozilla initially made the Connect forums, it was to solicit requests for new features. I can't stress enough how few people joined the forum to request more AI in their browser.