That&#x27;s theoretical, whereas government and corporations deal with realities.<p>100% capitalism isn&#x27;t practical and is unfair (e.g, to the poor and sick). What is a fair way to divide costs for road usage: time of use, miles driven, emissions, cost of vehicle, ability to pay? It&#x27;s not an easy answer, and many are practically unenforceable. Hence, tax.<p>And for the record: I&#x27;m generally capitalist by economic viewpoint.