I posted a similar comment before seeing your more eloquent reply. All I can say is you are 100% right about this:
I don’t think many, if any, neurotypical people understand how Autism can impact a person’s ability to process the world in a way that is deemed “normal”. This child may not be verbal, may have aggression issues, may have a learning disability, etc.
And the people who should MOST be aware of this? Those who we issue a gun and a badge.