...while Western nations would justify it in a completely different way, there is already plenty of precedence WRT enforcing file sharing policies indicating most Western governments are willing and able to do things of this sort.
In the US, they are not able to do this unless they have probably cause to believe you have somehow broken the law which requires a significant burden of proof.

PunkBuster may not be unethical but it is an invasion of my privacy, it is a huge POS, and any game that uses it in the future will not be on my shelf or on my drive. Obviously the courts do not agree with you MK27 concerning the EULA. The case against Securom and EA was won by the consumers and every single one of them clicked on the EULA yet they won the case. EULAs, like NDAs, and other agreements are not allowed to cover everything under the sun. In other words just b/c your users clicked on a EULA doesn't mean you can now do anything and install anything you want on their system.