They probably experience a lot more brain trauma to the point I’m a little wary of assuming they have the same condition as autistics - the etiology might be totally different with a similar symptomology which is the sort of situation the DSM is ill equipped to distinguish between.

The ICD even has the separate concept of CPTSD which imho might fit autistics better.

https://www.research.va.gov/currents/0222-Teasing-out-the-ef...