As others have said, we already tried this with DNT. Unless websites are legally compelled to honor the signal, the signal is worthless.
But here's an interesting wrinkle that may illustrate further complexity:
> Essential Only: "Only allow data necessary for websites to function (e.g., keeping me logged in, remembering my shopping cart)."
I would never have called either of those examples "necessary for websites to function". They are both just convenience things, not essential things. So there may be a lot of discussion needed about category definitions here.
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