> Because it is mathematically equivalent to the others. Observationally indistinguishable. By Occam's Razor, if there exist multiple theories that are indisti

> Because it is mathematically equivalent to the others. Observationally indistinguishable. By Occam's Razor, if there exist multiple theories that are indistinguishable, we should take the one that has minimal assumptions (i.e. no assumption of the existence of some "multiverse" like in the many worlds interpretation).