> People seem to have different thresholds for overriding their intuitive thinking processes with a more rational, algorithmic, reflective process. But that may well be innate to them, some people are more rationally-oriented than others. I'm not too sure what there is "to learn from them".

It may even be that the people doing the extra analysis are the irrational ones. The time required to get the right answer can cost more than the value of the right answer: https://xkcd.com/1445/