The main problem with using C++ as C is that everyone has different ideas about which ideas to cherry pick. So without a lot of discipline and a good coding sta

The main problem with using C++ as C is that everyone has different ideas about which ideas to cherry pick. So without a lot of discipline and a good coding standard, lots of (maybe subjectively) bad ideas will make it into the code as well. And once they do, you can't do anything about them any more.