A Legal Monopoly Intellectual Property differs from Private Property in how it can be shared.
Copyrights restrict use of ideas just as other laws protect physical property.
Copyrights are a fact of modern life. The ancients did not have them, no one paid royalties to Homer or Moses or St. Thomas of Aquinas. Article 1, Section 8. Yet in the spirit of the First Amendment, exclusive rights hinder the use of the work by the public and should be frowned upon. After that it belongs to everyone.