Autism is a neurological disorder. It's not caused by bad parenting. It's caused by you know abnormal development in the brain. The emotional circuits in the brain are abnormal. And there also are differences in the white matter which is the brain's computer cables that hook up the different brain departments.
My sister and I shared a bedroom our entire lives and I believe she discovered the Beatles when she was about 11 and I'm four years younger. So from the age of 7 until 17 we had nothing but Beatles paraphernalia in our room even those little stuffed Beatles that went on stands that are dressed as the Sgt. Pepper band.