IMO it's important to separate the economic infra and the public utility portions of it -- but economies of scale might be had when combined. Some retailer get

IMO it's important to separate the economic infra and the public utility portions of it -- but economies of scale might be had when combined. Some retailer getting their consumer product shipped to a customer is not a problem for the government to solve. Getting medicine to someone in need is. It's hard because on the surface they seem the same, but systems that functions like the former and latter have very different economics (say in the fail case) and their budgets/designs have to match the needs.