https://www.bbc.com/news/world-us-canada-61141421
He got a 450$ million payout after the employee sued.
More specifically, he told his boss he had an anxiety disorder and that a party could cause panic attacks, his boss did it anyway, chewed him out the next day and said he was "being a little girl", suspended him for a couple days and then fired him a couple days after.
He was awarded damages for the emotional distress and lost wages.
Sounds fair considering. "Don't have a party for me on my birthday" is a pretty reasonable accommodation for someone's mental health issues.
People are not all the same. Some people are shy, some people are gregarious. Respect their nature, that's it. When someone who has power over you just disregards you as a person, that's both not professional AND abusive if it happens over and over again. It's not a hard concept to get.