
Just because it's a public event doesn't make it a free-for-all. Â He can go do that elsewhere, with people that want to be part of what he's doing.
Call the person out on what they're doing, and if they aren't willing to conform to the rules of the event, then blacklist and ignore.
Call the person out on what they're doing, and if they aren't willing to conform to the rules of the event, then blacklist and ignore.