The Author is Autistic. It's likely he didn't realise what we was saying was offensive until after the fact.
I guess you could make a case that people who are diagnosed to lie on the autistic spectrum should get a bit more leeway from the administration with regard to disciplinary action (because it's not really their fault), but what else are you gonna do? Give them a free pass? I don't think that even has much to do with the feared political correctness anymore.