The article ignores that the DNT header already had some regulatory backing, as in court decisions saying it ought to be respected. https://www.datev-magazin.de/nachrichten-steuern-recht/recht... references such a decision against LinkedIn. Instead of using that, this new proposal seems to be exactly the same thing, just with more work for website hosters (having to add nonsensical files to /well_known/) and claims t…
DNT failed because advertising and online stalking companies refused to abide by it when browsers enabled it by default. The GPC spec tries to work around this by having the spec disable the feature by default. This new spec is necessary because American legislation requires opt-out signals not to be the browser default. That means DNT, as browsers used it, is not legally an opt-out signal, because browsers default t…
In other words: "browsers" didn't make it the default, one small browser did.
And so if _any_ browser, whatever tiny percentage they might have of the market, will make this new proposal the default, advertisers can again say "see? totally unreasonable, we won't follow that".
But it being made default by Microsoft was never the problem, ad-companies just didn't care.