To use your feudalism analogy. It's like destroying a freeman's crop because the lord failed to secure the land. In the end it's the freeman who is harmed and not the lord because the freeman must still pay rent to lord even if he has no crop to sell at market.
The same holds true for getting an affiliate's account banned because the links to Amazon still work and customers can purchase items using affiliate links, the affiliate just receives no credit for the traffic. It's only the affiliate who loses out.
Using your reasoning, it becomes permissible to poison an aquifer to demonstrate that a city doesn't do enough to protect a customer who received a high water bill because a gardener broke their water line digging in the yard.