"Turns out that Discord doesn't like people using the terms "Retard" and "Autist" in a disparaging way."

I dont think you have any proof of that - it's not actually written clearly in their term of service what level of calling each other names is allowed.

Considering that people were calling each-other retards on Discord for years, any judge would conclude that they are happy with this behaviour.

On the other hand, timing of these bans are very suspicious, maybe they recieved a phonecall and banned the community under false pretences.

I really hope we can subponea some documents and find out if this is coming from corruption or cosmic coincedence