I personally don't see anything wrong with it; without them none of this would be possible. They were all very inteligent in making and managing this amazing system and should be rewarded for that.
They won't screw up their own system and try to sell all of them at once.
I agree with you, but after a couple of generations of inheritance we will be in a similar situation

Let's hope there are strong genetic geek traits

Haha yeah we need more geeks in the world and less idiots.
Natural selection doesn't work for humanity as well as it should considering we're the smartest animals on the planet (although I have doubts sometimes).
The ability to become rich and/or ensure the survival [and number] of your offspring doesn't necessarily mean you're intelligent.