This is not a joke. I don’t know any way to make it plainer than this.
“Aspie,” in case you do not know, is a word commonly used within the community of people with Asperger’s Syndrome, as an informal term for ourselves. I don’t claim to speak for all Aspies, of course, but this is certainly true for me, as well as many others I know. Some Aspies have figured out how to recognize and understand pranks, but I am not one of them. I don’t understand why people play pranks . . . at all.