> Very few people, even programmers, seem to know the difference. Some even claim to program in C/C++

At least in game development, you will usually use a sort of "C, with classes" approach. You use a C++ compiler and the class, and namespace keywords, but shun the rest of the C++ features like exceptions, virtual functions, and the STL for most of your code.

At that point, it's not really C and it's not really C++...