The sample size and (likely) lack of diversity in the group is already pretty weak. Even so I found the brief part about IQ being associated with openness to ex

The sample size and (likely) lack of diversity in the group is already pretty weak. Even so I found the brief part about IQ being associated with openness to experience interesting. The article is surface deep for sure but I don’t think it insinuates that understanding and managing emotions doesn’t require work/education. I think their mention of introspection being potentially linked to IQ could be related to the point you’re making here