Ideas are meant to be shared. Intellectual property isn't scarce, and is a fiction created by the state.

In this day and age, we know that the method of ensuring artists' income from their art via copyright is a failed concept: the average artist, unlike corporations, cannot afford the legal costs necessary to enforce thousands of copyright claims, while artists who choose to use platforms such as Patreon to support their work are successful despite not filing out DMCA claims often.