It's unbearable when someone changes around you. Just imagine that your life partner changes, then it is difficult to cope with. Or your mother. Or your father. They were strong and now they're like a baby - it's not so funny. ↗
In fact any experiment that measures a quantum effect is one in which the quantum effect is aligned with the behavior of some heavy, macroscopic object; that's how we measure it. ↗
Napster's only alleged liability is for contributory or vicarious infringement. So when Napster's users engage in noncommercial sharing of music, is that activity copyright infringement? No. ↗