I think quite a few identity-centered mental illnesses might actually be particular delusions, and in some cases we may be grouping people subject to one mental abnormality with others who are under the delusion they have that abnormality. That could explain why certain subsets of people exhibit symptoms which don't match the normal presentation. For example, and anecdotally based on my personal experience, people un…
If they’re on the autism spectrum, though, they’d have trouble navigating small group dynamics regardless so what you’re describing could just be a comorbidity.