Good points. You may be right. I don't think hostile home fans will be a significant factor, be it said. But the maturity point is a good one. He may not respond well to a situation like the one we're talking about - that is a very real possibility. My hope - if we get to this point - is that Moyes (or someone else, for that matter) can convince him that doing his very best to prove himself is the only (and the only profitable, in any sense) thing to do. But he may be too thick, too big-headed or too "angry and confused" to realize this - sure.
My main worry is, frankly, that we let Chelsea have him. I think that should be avoided at, almost, any cost. As I've said before, that's part sentiment (I don't want to see him in that shirt after all these years, it would be a fecking travesty; I don't want Paul Stretford to make a penny on the transfer; I don't want the club to grant Rooney (or his agent) what I consider to be an unacceptable wish) and part sheer pragmatism: He will bang in goals for them, pure and simple.