The problem with forced misdiagnosis is being prescribed a course of therapy that not only does not help, but may even prove to be harmful down the road (such as unnecessary exposure to medicinal side effects).
I ran into a number of quacks who would demand that I exchange my 2E diagnosis for that of Schizo-Affective Disorder.* The latter requires psychotropic drugs where the former does not.
An autism specialist can still determine if there are co-morbid conditions to be treated, but they are less likely to prescribe them unnecessarily.
*It is a common misdiagnosis of such.
