This is exactly true. Noone in the C++ world uses all of C++ in their project. It is a multi-paradigm language, and you are free to choose one (or a few) of the

This is exactly true. Noone in the C++ world uses all of C++ in their project. It is a multi-paradigm language, and you are free to choose one (or a few) of the paradigms and follow it throughout the entire project. For example, you can choose to base your project on virtual functions and interfaces, or you can choose to employ static polymorphism instead. Remarkably, even the C++ standard library, for all its intricacy and complexity, does not use all of C++. Also, it is useful to see C++ as two languages, one for library developers, and one for developers of applications.