> right about everything else I suggest people greatly underestimate how localized expertise is. How very rapidly someone's expertise deteriorates as you move away from some focus, from the usually-very-narrow region where that expertise is externally nurtured. A snark characterization of that region being, the issues where someone badly fears getting something wrong , and by that being embarrassed in front of the pe…
Isn't that just a manifestation of the 'Blind spot' from Johari Window?
In general it is really hard to think about the things you already internalized.