I wonder what happens if the 'infringement' occurs over an open wifi network, how can one be made accountable if anyone can use your connection? Even if they en

I wonder what happens if the 'infringement' occurs over an open wifi network, how can one be made accountable if anyone can use your connection? Even if they enforced it by a hardware fingerprint or something, laptops can be stolen, and who the hell is going to enforce no open wifi networks!? The outrage!