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Yes, but that's also true of all other things that society enforces-- basically the ownership of anything you can't carry with you.

Yes, that is why (most?) anarchists consider property that one is not occupying and using to be fiction, held up by the state. I believe this includes intellectual property as well.

The same is true for human rights.

In the EU, an author’s moral rights are similar in character to human rights: https://en.wikipedia.org/wiki/Authors'_rights

You're alive because society collective allows you to.

A person being alive is not at all similar to the concept of intellectual property existing. The former is a natural phenomenon, the latter is a social construct.