Everything happens for a reason.
But we don't always know the reason, and "God did it" is never a suitable substitute for the scientific method.
Of course we know the reasons. It's not like moral and physical laws are a secret or anything.
No, we don't always know the reason for a thing happening.
You pretend you do, and you try to convince everyone that "God did it" is the satisfactory answer to the question, "Why did ___ happen?" (fill in the blank) But, it's not. It is never the satisfactory answer. The satisfactory answer is, I don't know, let's find out," and then proceed with the scientific method to arrive at an answer.