Other folks point out major differences between the two. The most important one, though, is that DNT required the server to comply. Disabling or lying with JS

Other folks point out major differences between the two. The most important one, though, is that DNT required the server to comply. Disabling or lying with JS method calls doesn't. And there is an arms race, and it will not end. That is the nature of adversarial intelligence-gathering.