I imagine that Epcot would pull some extra people with the ending of a beloved show and the beginning of a new one. Plus you’ll likely have the new Mickey ride. But it will be the low before the Star Wars storm, so still a good time to go if you’re trying to avoid that. Ultimately, I don’t expect many people to fly down solely to watch the final show, they’ll most likely be going on final trips spread around and ensuring they go. You’ll have more locals and bloggers going to Epcot those two nights.