Borrowed time or in need of a serious rethinking of what is in there. They're building a whole pavilion of interactive exhibits over at Epcot so clearly, they haven't gotten out of the game. How hard would it be for them to throw a few into that building and actually give people something to do out there besides pet goats?
I kind of wonder what the original plan was for this area. Was this just a holding space like the inflatable tent building with museum-like stuff in it they had where Chester & Hester ended up? It seems like there must have been more that they were going to do back there to justify the staggered delivery of people by train, especially with the hike you've still got back to the building from the train station.
I think the train was a precursor to a phase 2 land that never happened. Planet Watch was a Plan B budget special with moderate success.
See also CMM, Dinorama, and shortened KRR.