Except his autism spectrum disorder isn't going to get better.
But the symptoms could.
They already did, thanks to the provisions of his current imprisonment. The ruling is based on those provisions almost surely removed upon extradition, guaranteeing that his "symptoms" would reappear. To put it extremely mildly.
I was simply replying to
> Except his autism spectrum disorder isn't going to get better
As someone diagnosed in the spectrum it totally can.