The Manhattan Project, Apollo Program, and USPS all illustrate that the government can sometimes fill a role when given enough money/resources to solve a problem, but they aren’t widely-acknowledged examples of efficiency—in fact, the USPS is often criticized as a prime example of government inefficiency. As to the first two, these could be outliers given their nature as technical endeavors during wartime/security environment pressures.
I’ll leave the latter half of your comment to the other comments that have already been made by others.
The Manhattan Project, Apollo Program, and USPS all illustrate that the government can sometimes fill a role when given enough money/resources to solve a problem, but they aren’t widely-acknowledged examples of efficiency—in fact, the USPS is often criticized as a prime example of government inefficiency. As to the first two, these could be outliers given their nature as technical endeavors during wartime/security environment pressures. I’ll leave the latter half of your comment to the other comments that have already been made by others.