A fool with a tool is still a fool.
The task of the software development team is to engineer the illusion of simplicity.
UML is not dessert topping and floor wax.
Ah, but who do you think created the chaos?
The function of good software is to make the complex appear to be simple.
Multiple Inheritance is like a parachute. You don't often need it, but when you do, you really need it.