You miss the point, even though it's a very simple one. It doesn't matter whether YOU think it's something to get worked up about. We're not talking about people who already support Trump. He basically invited Haley to refuse to endorse him, and she took him up on it. He also invited Biden's statement reaching out to her supporters.
Who the frig wants that hag's endorsement? Who the hell is she anyway? She's a nobody, that Democrats voted for, and she proved it last night.