I've been using stable diffusion for months now and it could easily generate endless images that look exactly like the stuff in that article. Except for the images with text, I wouldn't be able to tell the difference.
I think it will be cheaper and easier to soothe the masses with bland, average content. At the same time, perhaps a new role emerges for those who do the hard work of sifting through an endless stream of generated content, elevating the rare gems, for an audience that wants to keep things weird.