I still don't see that as a materially useful definition but I'll admit I recognize the usage. However, in the current context of discussing congestion—i.e. wh

I still don't see that as a materially useful definition but I'll admit I recognize the usage. However, in the current context of discussing congestion—i.e. who gets to use the thing we all pay for—and other externalities like pollution and use of fossil fuels, public ownership is the salient thing to discuss.