Mehrfach-Vererbung (II)

...ist für Interfaces sinnvoll ($\to$ Java), aber für Implementierungen eher schädlich.

(...da ist schon einfache Vererbung schädlich)

Bjarne Stroustrup (Design and Evolution of C++, 1994):

Multiple inheritance belongs to C++, but is far less important than parameterized types (= in templates).

I (would) miss parameterized types much more that I would have missed multiple inheritance.