I'd like to say Something too.
First of all No one is Nobody here, we're all people and deserve some respect. One is less known and talented, the others are much more, don't ask me for reasons, you won't find the Right Answers.
If you leave Mr.Vai without his fans and someone waiting for him for hours at the hotel to sign a guitar or a picture, he would shot himself the other day:)) oh, yeah,.........as he would suddenly realize there is no Need of Him and What he's doing any more in This World... As all he is doing is having a Sense and a Purpose Outside of Him and not just for his SUPER EGO which is all over ABOVE of Everything.