Its possible, but you would have to turn it over to other groups without expecting super high sponsorship costs. Tell elon you can have an area for the boring company, tesla and space x. We ask you to teach and wow people about the future. Then give him empty space for his showcases and have him pay the employees that talk about it. We arent talking rides we are talking more worlds fair stuff. There are tons of entrepreneurs and smart people that would leap at that opportunity. The problem epcot had is they let them have toomuch say in the rides and charged way too much for sponsorships. Instead let them brand things and have an area to showcase.Maintaining a park like the original (post-walt) EPCOT Center only works if you put innovation and change before $$.. That concept died with Walt.