In this case, Disney Inc is staffed by people who care deeply about the Disney legacy. You’ll be hard pressed to find a single employee who was not awe-struck walking the halls on the first day.
How do you know that? This is a rhetorical question, meaning to elicit introspection and a rare act of thought, prior to speech.
My point is that stewardship of corporate IP bestowed by the long-dead founder is different than ownership of art you yourself (an individual) created.