Autism acceptance means embracing us for who we are. It doesn't mean looking for a "cure" or a way to fix us, but rather helping us navigate this world while capitalizing on our strengths. Everyone on earth wants to be accepted, and not to have the notion of having to be changed forced upon them. This is also true of autistics.
Imagine walking into a foreign land, where everyone is speaking a different language than you are, is dressed differently from you, and has a totally different form of body language than what you're used to seeing. You don't know what to do and start to become very anxious.