(Also remember that humans have to "simulate" each other using logic-like prior information even in the straightforward efficient-causal scenario—it would be prohibitively expensive for humans to re-derive all possible pooling equilibria &c. from scratch for each and every overlapping set of sense data. "Acausal" economics is just an edge case of normal economics.)
If it's worth saying, but not worth its own post, even in Discussion, it goes here.