I think the idea behind this particular ruling was setting a precident of "it's not okay to do this", so that later on when a police officer or whatever does us

I think the idea behind this particular ruling was setting a precident of "it's not okay to do this", so that later on when a police officer or whatever does use this information in an improper way, it is clear that, sorry, this isn't allowed. Remember, the law is a big stick, not a fine-tuned scalpel, and you have to use it/decree upon it as such. IANAL