Vandalism is, again a crime against property that is legitimately placed on the street or somewhere.

Ad biz is a business model, not property, and a predatory one as that. You are not obligated to enable someone else's business for free.

They are claiming their clicks and impressions mean something - its their problem to ensure they are accurate.

Imagine someone is doing a survey of sex habbits, and selling the results. Is it a fraud to lie? Ofcourse not, why should you be responsible for their profits.

The fact that people think they are legally obligated to enable this is really fucked up.