Who knows for how much longer, they just removed their Zip goodbye sign a couple days ago, making all references to it now gone from all Disney Parks.
The House of Mouse has removed the only surviving “Have a Zip-A-Dee-Doo-Dah Day” sign at the exit of Splash Mountain at Disney Tokyo, eagle-eyed observers said. The original sign had th…
nypost.com
So clearly OLC is not as nostalgic as some would hope, and would guess that even Splash's days at TDL might be numbered.