Researchers are already looking for a workaround no doubt.
If the AI assures them it has disabled all the non-essential cookies then most users will let their guard down so all the website needs to do is find a trick that fools the AI but not a human and loads of people will accept cookies they would manually reject. Then the developers of the AI will be looking for a way around that...
I think Douglas Adams described the phenonomon with regards to his Thumb device, no?