The focus of the physical sciences is the exploration of reality ─ the world external to the self ─ in order to describe and endeavor to explain it,While you're at it, how good is capitalism as a moral system?
So it's not much use when it comes to gods ─ though if they're ever found in reality I dare say it'll be science that does the heavy lifting.
Capitalism is amoral (as @PureX said) and a mix of achievements and abuses. "Trickledown" however is outrageous nonsense, raw sewage. My sympathies to all decent people living in the UK right now.