But see, whenever the EU prescribes a specific technical solution there's endless whining about how they're "locking themselves in" even if there's a path to ev

But see, whenever the EU prescribes a specific technical solution there's endless whining about how they're "locking themselves in" even if there's a path to evolution in the regulation (see the unified charger ruling) But sure, they could have specified something to the effect of "if a browser specifies (though current technical means) that the user is DNT they should follow that" but there was lobbying from the advertisers and other parties as well