the kind of personality types that have this issue are much rarer in the west so it's not really marketable, dunces only got sold because an actually successful author pushed it because he felt bad for his mom.
More common in japan so they have much more media about it. Just look at the prevalence of say INTPs in japanese media vs western media they are a huge bigger % of the population there. In the west they are kind of hated and much less common.
t. i have ignatius riley's exact personality type
it mainly comes about from people who are introverted judging dominants with tertiary Si so when they doom spiral they seclude w/ si and their dominant functions looping.
that's intp and infp
in the japan both are around ~10% so 1/5th of the entire population
In the US they are like 3 and 4 % so 7% of the total population
we can never get true shutin kino
https://youtu.be/xkH8ti1gakE