[jbk]

We speak here about US law, not arbitrary country, because that where Google is based.

They can solve the problem of checking reports on US copyright violations with Adwords.

[zenspunk]

Google also does business and has employees and servers in many other countries. Why should they not enforce the laws of those countries too?

[jbk]

Google refuses to comply to some French law about logs retention because their servers are not in France. Why would it be otherwise in the opposite situation?