I would much rather recommend something like "C with bounds-checked arrays" than a form of "standard" C++ to newcomers. Yes, StackOverflow will not help much, but I think avoiding the huge amount of features that the rest of C++ brings is well worth it. You are probably not advocating for dumping everything at once onto a beginner, so why not pick a subset that is both really small and gets you quite far?

> You still have to learn how exceptions work and why avoid them, what is heap and how to disable it, what are pure virtual classes and so on.

Do you mean later on? As I see it, you do not have to learn about the things you do not use and can concentrate on the basics. Once you are comfortable and need to venture out into projects where other parts of C++ are used, you would need to, of course.