Earlier quoted context omitted.
I agree that this is true, if you have no desire to learn how Emacs and your chosen modes work. If you are willing to dig in, the ability to fix your tools with a simple C-M-x is indispensable, and is a feature that no IDE has. What features do you think Emacs is missing?
Firstly, emacs is not a quick-start environment. If I want to get started in a new language, let's say Java, downloading Eclipse will make getting started with Java insanely easy. The same with C++ and Visual Studio. Compare with emacs, in which I have to spend time getting things to work. I'm not saying it's worse in the long run (although I suspect you can't beat Java on Eclipse), but the overhead every time I want…
You can: IntellJ.