The question is, what language would they write good code in?
FWIW, C++ has many features that are strong improvements over C. Class encapsulation, e.g. OTOH, it's also full of things that are only worthwhile if you are really interested in run-time optimization. Or maybe they serve some other function that I don't understand. Like the STL. Most of the code in the STL would be far better implemented as libraries, even if it might not be quite as fast. I also strongly dislike their implementation of iterators. Python, Ruby, D, hell, even Java, have much better designs for their iterators. I'd include Vala and C but I'm not sure that just iterating through a loop counts. (I know that in C++ you can iterate through an array just like in C, but Strings are a different case...and so it anything else that C++ calls an iterator.) Even Objective C is a better language than C++, but it has the major problem that nearly all the documentation and development is tied to the Apple version, and I'm not interested in accepting their EULA.
If Vala weren't so tied to GTK, and if it would ever get out of beta, then I'd consider it one of the best languages around. Pity about those two problems.
N.B.: despite the way I may have phrased things a few times, I'm well aware that my opinions are not universal, and also that different use cases result in different choices. So this is just my point of view. But I seriously consider Ada more often than I seriously consider C++.