Some of them had a point in the first place but are obsolete. Some were jokes, others had no real point but were pushed by a politician for political purposes. Motor vehicle laws are sometimes modified according to how many people disobey them.

It boils down to this: the State has the right to enforce the State's interests, and every law arises from that right. We, individuals, have the right to enforce our own interests. Rights are pretty well delineated but sometimes, not often but sometimes, these interests come into conflict. At some point an individual's right to safeguard his interest may supersede the State's interest. It's the courts' job to decide where that is, when the situation arises.