I do think the overarching cultural tie-in of Epcot, AK, and DisneySea. Anything that isn’t remotely real world or related to/inspired by a culture (Star Wars, Bug’s Life, Toy Story) should probably go in a Disneyland’s fantasylands / fantasy adjacent.
You can be more restrictive (AK, Epcot, DisneySea) but more restrictive is hard when you only have the two parks (especially when goal is often IP dumping ground).
Definitely a good balance though.
DAW should not be the move. Crush (Australia), Ratatouille (France), Cars (USA), Aladdin (ME), Avengers (USA), Lion King (Africa), Frozen (Norway), Up (South America), Tangled (Germany), ToT (USA) could all be arranged in a cultural presentation. Toy Story is an oddball but we saw DisneySea integrate it within a USA midway.
Rearranging DAW (and actually making Marvel Brooklyn themed) would drastically change the park and how it’s perceived, but instead it’s a hodgepodge. I don’t believe Disney would make the same mistake again.
Europa Park w/ Disney properties would (worldwide) would be a great park.
Epic’s celestial theme is a rather weak connection, as the properties themselves don’t really relate, but barring SNW, they could do a similar cultural connection w/ the remaining properties.