Say I try to force you to do something. Who is to stop me doing that? It requires government and taxation to run a justice system. I.e. a ton of "energy".
Ignorance of the law must not be an excuse, but it definitely can be the actual cause.
me.
In any case, my point was the distinction made in the OP is silly. Any "right" is only a right in so far as it can actually be put into practice and that costs someone, somewhere "energy".