> Copyright is a default opt-in regime, from the standpoint of the rights holder.
This is a great deal more flexibility than the US has. In the US, it's not possible to opt-out of or revoke the copyright on your works. You can sell the copyright to someone else, and you can also choose not to enforce it, but but you can't remove it.
This is a great deal more flexibility than the US has. In the US, it's not possible to opt-out of or revoke the copyright on your works. You can sell the copyright to someone else, and you can also choose not to enforce it, but but you can't remove it.