That's because it's bullshit. (IP-trained attorney here, not legal advice.) IP law is like real property law in the sense that it provides the owner the power

That's because it's bullshit. (IP-trained attorney here, not legal advice.) IP law is like real property law in the sense that it provides the owner the power to exclude others from using it. As with real property, there is no requirement that the owner be using the subject property in an economically viable way.