[belorn]

Complying with lawful search warrants is one thing, doing targeting ads based on users behavior for money is something else.

Targeted ads can be anything from a DEA honeypot that advertise cheap drugs, to quick guide for easy tax evasion made by the IRS. It might be ads targeted at people with specific sexual preferences. Any search-able trait imaginable that Google can target is exploitable, and the policy document is an official intent to do so.