Natural Selection Seems Insufficient

[Jal]

No contact? That's even worse. Now I don't even have to swing the intangible golf club to move the ball. It's all magic - really it is.

Come back to when you start making sense.

Here's the sense.  You proposed a principle.  You were asked to support it.  You provided an analogy.  Your analogy was invalid.  Therefore your principle is unsupported.

Since your principle was the only thing that made your objections valid, once support for the principle vanished, the principle was dismissed.  Your objections are just bollocks.

Your incredulity about invisible forces isn't a logical objection.  That's just you being a whackjob.

Obviously, the real problem is that you are demanding the analogy correspond perfectly to the reality. When I fail to do that, you cry out, "Invalid analogy!"
What you don't seem to realize is that if the correspondence is absolute, it's an exact replication, which is not an analogy.  Even scientists rely on partial, imperfect extrapolations and analogies.

Case in point: has anyone literally divided the area under a curve into an infinite number of segments and summed them up?

Nope. In essence, it's just an analogy that seems to extrapolate fairly well as a foundation for integral calculus and applied science.