[gnaritas]

> it's a perfectly valid hypothesis that would certainly warrant investigation

No one said otherwise, but causation was suggested, and hence disputed.

> All scientific theory starts with

I require no science lessons from you.

> We could say that correlation doesn't imply causation with CO2 and the climate change debate as well

There are known causal effects of C02 on the atmosphere, it's physics, the science has moved far beyond merely trying to prove causal effects and well into trying to understand them.

> Until Science disproves a lack of causation of spanking and discipline, then it's just as valid a hypothesis as any other untested hypothesis.

No one put forth a hypothesis, you're arguing against your own straw-man.