Hierarchy is a kind of order of abstractions.
In 2031, lawyers will be commonly a part of most development teams.
The amateur software engineer is always in search of magic.
Multiple Inheritance is like a parachute. You don't often need it, but when you do, you really need it.
Ah, but who do you think created the chaos?
All of life is iterative. It goes back to the point I made earlier, which is you can't a priori know enough to even ask the right questions.