Someone could be extremely proficient in disciplines that are associated with 'raw' intelligence, and yet utterly fail at theory of mind. Anyone that has been in a college campus probably has seen examples e.g, Classmate might click instantly with real analysis but will routinely perplexed about why their girlfriend is mad, or why they are seen as abrasive.

To be clear, in my experience it wasn't even a case of being on the spectrum or other neurodivergence. They simply had a bad model of other people's thoughts and emotions. Of course this isn't DnD, I've met people a order of magnitude smarter than me in the usual academics and with a deeper understanding of people.

You might not like the terminology, but it's a real thing and can be independent from what we usually call intelligence.