You've got a point about the name, but the filtering is opt-in and when a site is blocked by a filter you get a message explaining why. You can use it as plain

You've got a point about the name, but the filtering is opt-in and when a site is blocked by a filter you get a message explaining why. You can use it as plain old free DNS if you're looking to avoid the ad-filled failed lookup redirects that ISPs have been pushing lately. All the extras are completely optional.