Heterostereotypical women are just as insane as macho men and the red pill crowd.
Taking no as a no is the only reasonable thing to do.
Also, you will notice, that people with a genuine interest in you might say no to something and then if you take a step back they'll take a step towards you.
TL;DR you ever meet someone like the girl in the post -- run, regardless of whether you're autistic or not.