Its his decision, if you want a white, just get it, its not like you are going to Hell for it. If Apple made the statement that you could change your iP4, you're free to do so.
What I do encourage is that most of us must just live happy with what we have, I got my iP4 on launch, it has the same issues as every iP4 (except the yellow spot xD), and the "+" volume control doesn't work since day one, but guess what, deal with it, is a great product and im proud of this little guy.
Satisfaction is obtained not by having the most perfect product, its obtained by the fact that you just own it.