I find it interesting that the author thinks "invasive user fingerprinting" would stop with WEI. If you really believe ad networks are _only_ fingerprinting users to fight fraud and will stop doing it after WEI, I have a bridge to sell you.
How else are they going to learn more about me and shove ads that they think I care about?
How else are they going to learn more about me and shove ads that they think I care about?