By my estimation the ad networks and publishers are the primary violators of the social contract by allowing malicious ads on their systems. They could absolute

By my estimation the ad networks and publishers are the primary violators of the social contract by allowing malicious ads on their systems. They could absolutely stop essentially all bad behavior by 1) not allowing any rich or dynamic ad content and 2) having a human look at every ad before it goes live. Those measures would negatively impact their multi-billion dollar profits, though, so they don’t, therefore I block ads and don’t feel bad about it.