>Watch any pop sci doco about astronomy
>They get to black holes
>The narrator stars to spew a bunch of mumbojumbo about how "physics breaks down" inside black holes
>Says bullshit like there could be miniature universes inside black holes, or wormholes to other dimensions

Where did this crap come from? A black hole is very obviously just a lot of matter that has collapsed on itself. The inside of a black hole is just some really warped space and a singularity. There's very likely to be no leprechauns in them. Just compressed space