You are right, nobody honoured the DNT headers - it needs legislative action (preferably GPC as it's the better standard). Apple even pulled support in Safari

You are right, nobody honoured the DNT headers - it needs legislative action (preferably GPC as it's the better standard). Apple even pulled support in Safari as pretty much no advertisers were using it to stop tracking, but some advertisers were (ironically) using the header setting for additional fingerprinting.