[nl]

> How's the ice cream example better than the sugary snacks example given in the article?

Not the OP, but because that fails to explain how the basic hypothetical example works(!)

You want to know how much your sales would be in a parallel world where kids were stuck with bland snacks compared to your sweet treats. This is where causal inference steps in to provide the solution. (nice graph follows)

So how is that done?