[guptaneil]

Sure, but if you are a dev, installing the necessary tools is a pretty easy and painless thing to do. If you aren't a dev (like most people), why have it installed at all?

Since Snow Leopard, printer drivers are no longer included with the OS either. Instead, they are downloaded through Software Update as soon as you plug a printer in.

Having said that, the fact that Xcode is listed on the Mac App Store instead of just in the developer portal, I suspect that Apple will bundle Xcode 4 with Lion to try to encourage more app development.