> I mean the copyright has to belong to somebody right?

Why would it? It’s generated by blending together ~ every bit of content on the internet and in books that they could steal. Why would the operator of the blending machine suddenly get copyright?

Does a gambler own the copyright on the symbols generated by a slot machine?

There does not have to be copyright. Nothing mandates that piece of data has one.

The argument could probably be made that we currently don't recognize AI as a person and therefore no one created the work.