Because I wouldn't want Google to know what links I click on. When I used to use Google, and they added such redirects that included the destination URL as a parameter, I'd edit the link to make it just that URL before resolving it. This new scheme would make that impossible.

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brainwad an hour ago | parent | next [-]

They own the JS on the page, they don't need the redirects to know where you clicked...

	▲	googapologist 44 minutes ago \| parent [-]
		You've been awarded one (1) Dunning-Krugerrand. They own the JS but that is not enough. Don't assert so confidently that they can do this without redirects. (See my other comments for a hint on why.)

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what 2 hours ago | parent | prev [-]

They already knew which links you clicked on though…

	▲	googapologist an hour ago \| parent [-]
		You've been awarded one (1) Dunning-Krugerrand. They do not, so don't assert so confidently that they do. (See my other comments for a hint on why.)