Actually, I completely believe that it belongs at WDW -- either MK or EPCOT, largely because an understanding of COP explains the genesis of Walt Disney World to begin with. It really help move forward the idea of EPCOT -- a place dedicated to the celebration of achievement and looking toward the future with promise and hopes for progress.
I cannot state enough that most young people who have ridden this attraction with me generally remember it and find it interesting if not "cool", even though some don't. Many love it.
It belongs at WDW and it deserves updating.
As Walt Disney said, "In Florida, we have the blessing of size. There's enough land to hold all the hopes and dreams that we can imagine...," including COP and new material. But, just like Main Street, USA, and Frontierland and Liberty Square all provide a foundation that both entertain and enlighten about a time period of the past that helped form the present, so does COP for WDW itself.
Paul