Mozilla is certainly paddling upstream. Of all of the AI-integrated apps and sites that I'm subjected to, I can think of exactly two where it wasn't obnoxious and a pain in the neck to disable.
Kagi. Zed. That's it, that's the list.
> Kagi
I've been toying with that for ages on and off. Finally now a paid up user due to the fact that their guesswork engine (or makey-upy machine, or your preferred name) can be easily turned off, and stays off until requested otherwise.
Apple's Preview is my favourite. It uses AI to allow you to copy text from images. And that's it.