IGNs complaint is distinguished mentally-challenged. The only game I can think of that lets you new game + to a higher difficulty is DMC, which is designed around just that concept. Hard is intended to be played by someone who has completed normal, and gotten upgrades, and very hard is intended to be completed by someone who's upgraded through normal and hard, etc.
But in the end, it doesn't matter. I've beaten RE4 a fucking ton of times, and I never did a new game +, because that shit's not fun. I don't want to start with a fully upgraded shotgun or sniper rifle. The game doesn't balance for that, even on harder difficulties. It's always designed around you starting with basic gear and basic weapons, so that's how I play.