You can also say that it is immoral to receive compensation for not working, i.e. rent-seeking. The creator should be compensated for his or her work, but that's not what copyright is about, it's about being compensated at the time of information exchange. Further confounding the moral issue is the fact that copyright can be assigned, so now a third party is charging rent for the information exchange of a product that they didn't create.
In practical terms, this leads to the creation of entities - media companies, that do not care for morality and are entirely built to maximise profits from the rents they control. Which in turn creates other problems, since those same entities can amass enough wealth and power in order to bend our information exchange technologies in amoral ways, all in the pursuit of perfect rent exploitation. So while the concept of "artist gets paid a fair sum for creating art" is commendable, the current implementation has very detrimental side effects. And you can't fight the side-effects with policy, because free information exchange generates less revenue than the rent on information exchange the media companies seek to extract, so you have less money to lobby for laws against the people trying to restrict your freedom of speech.
In practical terms, this leads to the creation of entities - media companies, that do not care for morality and are entirely built to maximise profits from the rents they control. Which in turn creates other problems, since those same entities can amass enough wealth and power in order to bend our information exchange technologies in amoral ways, all in the pursuit of perfect rent exploitation. So while the concept of "artist gets paid a fair sum for creating art" is commendable, the current implementation has very detrimental side effects. And you can't fight the side-effects with policy, because free information exchange generates less revenue than the rent on information exchange the media companies seek to extract, so you have less money to lobby for laws against the people trying to restrict your freedom of speech.