Unless you know what state (or country!) the OP resides in, you can't say with certainty what assault is, or whether it differs from battery. Here in Washington state, yelling at a cops is definitely not assault under state law. There isn't any crime of "battery" at all.
Most of the people here aren't making their money off intellectual property, they are creating code for someone else, or running systems. Other than being cleaner at the end of the day, it's not much different than turning wrenches or dragging cable.
But that is besides the point. We object to being screwed because we are in fact being screwed. Once music has been purchased, charging us again for every little thing we might want to do with it is sticking your wallet where it doesn't belong.