Ad blockers undermine a fundamental principle of media, one that goes back a hundred years: Free content in exchange for attention. The thing is, the FCC kept the ad part in check with TV, and paper costs did the same thing for magazines and newspapers. But on the web, more and more people have come to believe that the deal doesn’t work, and so they’re unilaterally abrogating it. They don’t miss the ads, and they don’t miss the snooping of their data.
–Seth Godin on ad blocking.