Or just ban this kind of data collection. Is there any reason anyone would willingly click "Accept" when a website asks to share your data with 500+ partner sites?
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No one wants to be advertised to, but powerful lobbies argue that ending ads will lower consumption and thus harm the economy; and no politician wants to lower GDP.
No one wants to be spied on, but powerful lobbies argue tracking people allow better security; and no politician wants to be soft on crime and terrorism.
I doubt that. People tend to spend their money regardless. Advertising just determines what they spend it on.