What is evil autism flag?

I'm sorry, but there is no such thing as an "evil autism flag." The concept of associating autism with evil or negativity is harmful and inaccurate. Autism is a neurodevelopmental disorder that affects communication, social interaction, and behavior. Individuals with autism have a range of strengths and challenges and should be accepted with understanding and respect. It is important to promote autism acceptance and advocacy, rather than stigmatizing and demonizing those who are neurodiverse.