It's not the only logical decision, because it leads to a technological arms race which is costly to all parties. The outcome is binary: see ads or not. The onl

It's not the only logical decision, because it leads to a technological arms race which is costly to all parties. The outcome is binary: see ads or not. The only logical decision is to figure out from first principles what the outcome should be, and make it binding for all parties to avoid the arms race.