As Gorard has long been at pains to point out (and Wolfram, being preternaturally immodest, has not) the model is a formalism, not a theory.

That said, the point of redescribing things we know very well - like QM and GR - in new ways is ultimately to make testable predictions. So:

https://www.youtube.com/watch?v=XLtxXkugd5w