That’s by design. The uncanny valley is meant to guard us against things that are close to human, but not quite. Specifically corpses/dead things or extremely sickly people.

This is intentionally drawn as a monster, and doesn’t resemble a human as much as an AI generated image is trying to.

Our brain is, subconsciously, able to discern the difference.

One is only a threat in our head (the monster) and the other is a potential disease carrier (AI Generated)