A Lesson in the Practicality of Philosophy I Learned Today

[Mudhammam]

And with that statement you appear to be retreating from the requirement of predictive value. Nothing in the description you just presented excludes metaphysical inferences from and about the nature of sensible bodies.

On the contrary, I'll grant you the differences that lie in pure speculation (theology), the appraisal of concepts for the purpose of defining possible grounds (philosophy), and offering--in principle--testable hypotheses (science). Only the latter allows conceptual possibility to pass into objective knowledge.