I cannot read his mind, odds are, I misinterpreted what he meant. But if MIRI doesn’t think that counterfactuals as they appear to be (“I could have made a different decision but didn’t, by choice”) are fundamental, then I would expect a careful analysis of that issue somewhere. Maybe I missed it. I have posted on a related topic some five months ago, and had some interesting feedback from jessicata (Jessica Tailor of MIRI) in the comments.
Shmi comments on Believing others’ priors