A black hole really is an object with very rich structure, just like Earth has a rich structure of mountains, valleys, oceans, and so forth. Its warped space whirls around the central singularity like air in a tornado.
I mean, just because you're a musician doesn't mean all your ideas are about music. So every once in a while I get an idea about plumbing, I get an idea about city government, and they come the way they come.