This is akin to a judge ruling that because some people who know how to use lockpicks can break into your house, you have no reasonable expectation that locks will keep people out of your home, so government agents can just break into your home any time, on their slightest whim.
The fact is that if someone has gone to the trouble to attempt to be secure on the Internet, then the government, with it's unlimited resources, must NOT be allowed to "hack" into systems without a warrant.
The simple fact is that governments, given their resources, are far more capable than the vast majority of "script kiddies" who do most of the hacking. And this judge just gave them the go-ahead.
Mark
Excellent analogy to housebreaking. His ruling sure seems to violate the Fourth Amendment on the face of it...”The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause...”