It sounds the fan has no basis for their claim, but due to their background they are able to craft professional claims. I guess the lesson is always expect some

It sounds the fan has no basis for their claim, but due to their background they are able to craft professional claims. I guess the lesson is always expect someone try to screw you via legal pathway (if you read about history of any field this seems to be a quite recurring pattern - if you have a business, you better lawyer up sooner than later).