For example, Motorcycle might also inherit special methods for dealing with two wheels, ... Some degree of "IMO" here, but in C++, multiple inheritance is generally an indicator of flawed design.

So they cut multiple inheritance from the language (just as they cut operator overloading). The designers’ extensive C++ experience taught them that multiple inheritance just wasn’t worth the ...

and a lot of reasons it's not a good idea in a language like C++. In many cases, people use inheritance to provide a trait to a class. For example think of a Pegasus. With multiple inheritance you ...