Again, no one is saying that's a bad idea. It's just not something Universal views as a park issue, and judging by the work they've done on the entrance area so far, it's not something they have planned any time soon.
We've discussed the Minion Lands before. USF jumped to replace Neutron with their latest hit, not realizing how lucrative it would end up being, so the other lands are much more fleshed out.