Looking for causal structures and mechanisms do entail (among other things) doing correlations. Would your critic still be valid if he had used a different example? He could have chosen anything else, the example was used to illustrate a point.
Looking for causal structures and mechanisms do entail (among other things) doing correlations. Would your critic still be valid if he had used a different example? He could have chosen anything else, the example was used to illustrate a point.