> smarter people are better at answering all of the questions you listed
Define 'better'. For example:
> “How do I get my child to stop crying?”
Lots of 'dumb' parents are very good at solving this question, they give the kid what they want and put them in front of the TV or give them a bunch of candy. Smart parents might overthink the question, read a book on parenting, try a naughty chair, fail and get stressed.
The smart parents answer might be the one that's best in the long term, but it might not and really doesn't solve the actual problem right now. So is it the better answer? That depends, because it's not a well-defined problem, which I think is the point.
There's no indication that smart parents don't get their child to cry less than dumb parents either shorter or longer term, so the entire argument is baseless.
How about an indication of the opposite? Since you stated that smart people "are better at answering all of the questions you listed".
You seem to have completely missed the point of my comment though, which is that the questions are not well-defined and therefore it's not obvious what 'the better answer' is.
I don't see then how that can explain why smarter people are less happy.
In fact if you believe this article, unhappiest people have avg. IQ. Low and high IQ are happy, with >120 being the happiest: https://www.bbc.com/news/health-19659985
The article doesn't state that they are less happy. It just states that they are not happier as in, they are probably pretty much equally as happy as other people.
Define 'better'. For example:
> “How do I get my child to stop crying?”
Lots of 'dumb' parents are very good at solving this question, they give the kid what they want and put them in front of the TV or give them a bunch of candy. Smart parents might overthink the question, read a book on parenting, try a naughty chair, fail and get stressed.
The smart parents answer might be the one that's best in the long term, but it might not and really doesn't solve the actual problem right now. So is it the better answer? That depends, because it's not a well-defined problem, which I think is the point.