In some ways I think it is funny that they would choose someone with model good looks to play Temple.
I think it speaks greater volumes of the audience than the filmakers. The filmakers are the smart ones here.
Maybe 'porning up' Autism will indirectly get more people to take notice of it which I think can only be a good thing.
The thing I appreciated about Snowcake however, was that there was a background love story with a hot babe, which left Sigourney free to depict truth more accurately in her role.