Perhaps they were the inspiration for Idiocracy.
Why do you say that?
I am sure these people have a far higher IQ than the typical American. You will get Idiocracy if smarter people refuse to have more than one or two kids.
Based on your comment, it sounds like you got a head start
Just stick to your sterile and inert computer games and you won't have to worry about the future, idiotic or not.
"The disruptive powers of excessive national fecundity may have played a greater part in bursting the bonds of convention than either the power of ideas or the errors of autocracy." - John Maynard Keynes