The speaker argues that some structure must exist to make compression possible, even if that structure is not a low-dimensional manifold; otherwise, modeling the real world without simplification would have no clear purpose.

“i something like the manifold hypothesis like if it's not the manifold like if it's not like a low dimensional manifold itself something like this has to exist so we can actually compress things down and ultimately i don't i don't even think that uh randall would disagree with me on that that if it actually is like if we actually have like let's say the model outside like the real world is the small thing there is and there's no simplification then what are we doing um”