when multiple competing theories are equal in other respects, the principle recommends selecting the theory that introduces the fewest assumptions and postulates the fewest hypothetical entities.
...and that's being generous.
Disbelief is not as unfounded as belief. When will you accept that it is not up to atheists to disprove the existence of some putative metaphysical entity, which is totally unnecessary to explain the universe, and the restaurant at the end of it?