Theists: What is the most compelling argument you have heard for Atheism?

[Crossless2.0]

He set the rods which he had peeled in front of the flocks in the gutters, even in the watering troughs, where the flocks came to drink; and they mated when they came to drink. 39 So the flocks mated by the rods, and the flocks brought forth striped, speckled, and spotted.

Genesis 30:38-39

Right.  No conflict with science at all.

Steve II already provided the standard dodge to this and every other perfectly good example you can provide: the cause is allegedly supernatural and therefore outside the purview of scientific inquiry and judgement.

Of course, it's all bullshit designed to avoid admitting one's religious stories are silly and antiquated. Reasoning with such people is largely a waste of time.