Hard to see a human making them, they're not just typos. Catgacating? How are they different from GenAI mistakes? Are all LLMs and image generators the same?

For reference, sure looks like some of the gibberish in [https://gizmodo.com/rat-dck-among-gibberish-ai-images-publis...]

Looks like standard AI generated art to me.

https://willyschocolateexperience.com/index_files/enchanting...

Charlie and the Chocolate Factory is full of invented words like snozzberry. It's a case where you'd expect goofy spelling even from humans.