Public utilities can also face perverse incentives, and be run poorly. Commercial enterprises at least can face some competition! But with infrastructure like

Public utilities can also face perverse incentives, and be run poorly. Commercial enterprises at least can face some competition! But with infrastructure like last-mile gas pipelines, it's tricky, and the companies end up being local monopolies. Hence the trouble: a monopoly has very different incentives than a company actually competing on the market.