Well there's rides that should of not been replaced.
And there's rides that got replaced because they lost sponsorship, or current sponsor wanted something different.
Rides that should NOT of been replaced (No Sponsors to begin with):
1: Mr. Toad
2: Alien Encounter
Rides that got replaced because Disney got Money or was losing money from sponsors:
1: Horizons (General Electric was the sponsor, they dropped in the 90s, Hewlert Packard picked it up and wanted a different ride.)
2: World of Motion (General Motors wanted a more 'attractive' ride, so they renewed their contract and told Disney to make Test Track.)
3: Old Imagination (KODAK wanted to update the ride.. saw where that got them.)
I was a Horizons fanatic, I was sad to see it go.
Mr. Toad was just awesome period.
Stitch could of been good.. it had so much potential, but it felt like it was created quickly and without much effort. Still not fun.
As for World of Motion... to be honest, was never a big fan of the ride...