Classics are classics. There is some things you just don't touch. Sure, you could upgrade the AA to better ones. It is nostalgic for a lot of people. Peter Pan is a ride, while nice, is less immersive than the Jungle Cruise. You want to get rid of that too? Do you remember the outcry about Country Bears Jamboree possibly leaving? Disney would have a riot if Jungle Cruise left. As others have said, build on expansion plots, absorb more crowds, and stop with this idiotic idea of getting rid of a classic. It will never happen...
But do expect The Rock to be put if the movie is successful!
I really hate those two!