I agree that this is the most common form of the mistake, but I think people would say “you’re being too rational” even if you did incorporate data from System 1 thinking. I suspect what triggers the “you’re too rational” response is the duration of one’s System 2 thinking: Spending more than the normal amount of time doing System 2 thinking is what sets off the Spock alarm. Relevant xkcd.
You can also come to weird conclusions, and people would say things like “This isn’t what normal people do [in this situation]!” But taking entirely too long to decide is actually an error, as Julia pointed out.
I agree that this is the most common form of the mistake, but I think people would say “you’re being too rational” even if you did incorporate data from System 1 thinking. I suspect what triggers the “you’re too rational” response is the duration of one’s System 2 thinking: Spending more than the normal amount of time doing System 2 thinking is what sets off the Spock alarm. Relevant xkcd.
You can also come to weird conclusions, and people would say things like “This isn’t what normal people do [in this situation]!” But taking entirely too long to decide is actually an error, as Julia pointed out.
(I see that I missed your point.)