That's a trait that spreads a little all over, I think. Doesn't extend to everyone, thankfully.

[ And Jim's come to realize that it very much depends on what sort of world each person comes from, what sort of time. He muses out loud, a vague smile on his face. ]

There used to be a saying, where I'm from. 'Ignorance is bliss.' Most humans don't believe that anymore, but— well, you get the sentiment.