But the actual answer is revealing. Bjarne implemented multiple inheritance in C++ because it was easy. It's a New Jersey language. The priority is simplicity o

But the actual answer is revealing. Bjarne implemented multiple inheritance in C++ because it was easy. It's a New Jersey language. The priority is simplicity of implementation. It's not about what was popular, or that Stroustrup was at Cambridge not Edinburgh (all the exciting Programming Language theory stuff in that era like ML was from Edinburgh as you perhaps know). If ADTs were easy, C++ would have ADTs.