found at the related link:

You don't need to know how an auto engine works to drive a car. Same with Internet Investigations.
They expect me to take this serious? A police officer that uses this to gain access or whatever is nothing more than an armed skiddie in a stupid blue costume imho.

I'm not sure what the legal aspects are of this, but how will they implement this on a global scale as stated? I guess it could work/is legal in the us, but as far as i know it's not legal here.
(in the netherlands that is)
why not use the same court order to track the user down by asking the isp, and confiscating the equipment?