What human input? I mean the pictures were taken by humans. But they weren't drawn by humans, they weren't meant to be art, and no one intended the output of the network to look the way it does. There is very little human input here.
If I pick a shell I find beautiful from the shore, did the beach create the shell, or did I?
Computer algorithms produce a lot of trash. Just because the human didn't wield a brush, as long as we're seeing filtered and tuned results, a human had a hand in creating these.