[chungusamongus]

That is incoherent. Laws that are not consistently enforced are by definition ineffective. For starters, you can at least grant that the law was ineffective for those who violated it and didn't get caught, an inevitable consequence of "intermittent" enforcement. More than that, inconsistent application of the law incentivizes more sophisticated ways to evade it, which means the people who do get caught are simply the ones with less money, resources, connections, etc. If your rejoinder here is that the law still functions as a deterrent to some degree, the onus is on you to prove that.

Let's also acknowledge that you're straying further and further from the central point of this particular discussion. This is not simply about "intermittent" enforcement. Enforcement of this rule will be extremely difficult, if not impossible, as the technology gets more sophisticated.