Definitely her loss.
Maybe I haven't researched him enough (but trust me I've researched him quite a bit) but I've really never heard any truly bad stories about Jimmy. In the videos I've seen he comes across nice. He might be a bit eccentric sometimes but I think most guitar players are (myself included lol).
To me no one had better stage presence (for a guitarist) than Jimmy. He truly became a larger than life character and didn't need platform boots, makeup, etc to do so. He had a swagger like none other. I just watched Celebration Day last night and he's still that way.