Beats me

[Martin Cassini]

Ignorance is no excuse, as They tell us when justifying a tow-away for the heinous crime of forgetting to display a valid parking permit. Actually I think ignorance can be an excuse, but They are used to having it their way. It follows that They (as opposed to Us) have no excuse for inflicting high-cost, interventionist traffic control measures that disrupt civilised human interaction and cause more harm than good. But they get away with it.