The author acknowledges that if you know one autistic, you know one autistic - just like with neurotypical people - and then proceeds to call for us to become one bloc where everyone loves everyone else.
It's not gonna happen, for the simple reason thät autistics are so diverse. We all know that. It's the same as asking for all humans to hug and get along because we're all humans.
It's one thing to long to be accepted, but another to expect it to happen without a healthy pre-selection. Find the right people and they will accept you. Cast your net to wide and you will be disappointed.