I, and many others, are against using AI for this purpose because the AI is a compulsive liar. It makes up features that don't exist, pretends that features don't exist when they do, incorrectly describes how to use them, etc.
Go read the thread yourself.
Mozilla representatives have been consistently evasive and obtuse about the whole affair, which tells me that they have an ulterior motive, probably money, for pushing this useless nonsense through. It's extremely alarming.
And the consequences of Mozilla failing are dire. It will be the end of the open web, exactly as Microsoft once envisioned in the Halloween documents. You will be forced to choose between using an untrustworthy browser that spies on you and blasts you with ads, or being a social pariah.