Did Sony announce the PSP too early?

Sony has been quickly acquiring a reputation for its missteps, and Game.Ars thinks that one of them was announcing the PlayStation Portable way, way too early, saying that all it does is give people too many months to snipe at it, and instead recommending that they should have gone the Apple route and kept everything on the down low until just before it was ready. It'd probably be a hard secret to keep given that the dozens developers that'd be working on games for it, but even more scandalous is their suggestion that the PSP might not even outsell the game world's current whipping boy, Nokia's N-Gage. We won't even go there.