When people are able to engage in activities that impose a cost on others, without paying for those costs, then this is a subsidy. It is also a form of theft. These types of distortions in the market reduce the incentive to avoid behavior that does harm to others. In fact, given the size of the incentive, it might even encourage people to do things harmful to others.

There seems to be a lot of radical people who think for themselves in this corner of Clipmarks. Is it something about Clippers or Clipmarks?