I'm going to guess because you installed from the live media. The full install media lets you pick what sorts of things you want to be installed as I recall.
If having to do `yum groupinstall "Development Tools"` yourself is your biggest complaint, I'd say Fedora is doing pretty damn well.
If having to do `yum groupinstall "Development Tools"` yourself is your biggest complaint, I'd say Fedora is doing pretty damn well.