Problem with that is that for data, it's much easier to lie and get away with it. If a bot throws up an unlabelled AI generated image, law enforcement agencies would have a much harder time tracking down who made it.
There could be hundreds, or even thousands, and the moment they pin one down, more will appear.
By comparison, physical products can only be made and enter the country so quickly. There are physical factories where they can be tracked down, and it's prohibitively expensive to spin up a new product line every time the other one is shut down.