I know Bob about to open a can of worms here
Surely there's a better place for this conversation. Or maybe no place would be appropriate. Perhaps better that if she makes a post somewhere that someone doesn't like, they refute it in place.
What I would entertain as a possibly on-topic discussion here, though, would be whether or not boards should be able to exclude her (delete her posts) or anyone else if she isn't engaging in personal attacks, etc but is instead persistently negative.