It is called "Autism spectrum disorder"

Disorder by definition means that we do not consider it to have a single cause or issue, and we acknowledge that we don't understand it well enough to give it a single name, cause, or objective diagnostic criteria.

When we know what causes something, or how to strictly and objectively identify it, then we usually call it a disease.

This is well understood by medical professionals, and a normal part of their job, and not confusing for the vast majority of people diagnosed with some disorder or other.

This article is utter trash. As per the usual for the economist