The most valuable possession people have is time and attention. Producing works of knowledge and culture involves people giving up their time and attention to produce something. If they have done so, they deserve to have ownership of it.
As Abraham Lincoln said “ That is their argument, and this argument of the Judge is the same old serpent that says you work and I eat, you toil and I will enjoy the fruits of it. “
Whenever, you appropriate for yourself the fruits of other people’s toil, you are sowing seeds of tyranny.