Ah; I think we might only be disagreeing on terminology at this point, then. A physical "theory" is a coherent model that makes testable predictions in its own

Ah; I think we might only be disagreeing on terminology at this point, then. A physical "theory" is a coherent model that makes testable predictions in its own right, as in the "theory of gravitation". A hypothesis is an explanatory idea, like dark matter. There's definitely lots of evidence for dark matter, yes~!