Although it is somewhat similar to theft, I still agree with you that it is not "theft", but copyright infringement. My real world example would be taking a cloning gun and going into a store and cloning a chocolate bar. The bar is not stolen, you have instead produced your own exact copy of the chocolate bar without actually taking the chocolate bar in question. Thus, nothing is stolen, but it could potentially result in a loss of money, because even though they have not lost the product for no compensation, the have lost a potential for compensation and the cloning of that single chocolate bar might result in many people cloning that exact chocolate bar, and if everyone obtain a copy of that chocolate bar, then it could be infinitely cloned, thus no one would buy them any more, which would lead conveniences stores and chocolate bar retailers to not allow cloning guns into the stores any more. I'm sure all of you already get it completely, but that's just my analogy since it's pretty unique in a sense.