Hello world is a spec. The spec says to produce the text hello world on standard output.

Try running it without a compatible ABI. See how far you get.

Not sure what the point is. We can update the spec with "in the presence of a compatible ABI".

All I'm saying is a program isn't VHS. It's a VHS tape. At that point it's largely philosophy. Can you reconstruct a VHS format from a VHS tape? Sure.