[CyberDildonics]

Recent history has already proved you right in many of the things you are saying. If you look at investments into healthcare, education, and urbanization, they tend to have a large and easy to quantify payoff. You can see this in the 1900-1950s in the US and the same thing in many countries. Running clean water and sanitary plumbing, electricity, affordable cars, and telecommunications have made significant impacts on economies (and don't forget adding women to the workforce, which implies training/education).