I would argue that those works are at least decent or at least on some level competent. They might not have too much some vague artistic merit. But they are unlikely be completely unacceptable. Like no major consistent spelling or typographical issues, mostly coherent and consistent plot and so on.
We rarely see or interact with truly below mediocre medium. Or filter it very quickly. Looking for example at Steam and your nth asset flip with poor 3d graphics and so on.
You’re a social influencer with a non-fiction book out? Let me just watch your clips for 15 minutes and you’ll deliver all of the information in your three hundred page book. There’s no substance in most of them.
But it sells almost as well as a decent book, and you don’t have to spend as much promoting it, so it’s still what they want.