I'm not sure it's just personality traits though, the technical professions may be influential as well. In technical matters, things do tend to be much more bla

I'm not sure it's just personality traits though, the technical professions may be influential as well. In technical matters, things do tend to be much more black-or-white, and if something is "subtle and nuanced", chances are it's a bug. Arts majors have been going on for ages about Aristotelian/Boolean logic being coarse and artificially compartmentalizing, there might be a grain of truth there.