That's exactly it, though. All that infrastructure got built when the government would directly build infrastructure. The Interstate System, the Transcontinental Railroad, these got built because the government got them done. It's only since the birth of neoliberalism during Carter's presidency, and supercharged during Reagan's, where infrastructure only gets done through public private partnerships that things stopped being built.
That's exactly it, though. All that infrastructure got built when the government would directly build infrastructure. The Interstate System, the Transcontinental Railroad, these got built because the government got them done. It's only since the birth of neoliberalism during Carter's presidency, and supercharged during Reagan's, where infrastructure only gets done through public private partnerships that things stopped being built.