Well... seeing as Kong was literally built on an expansion pad and so was half of Potter, I'll somewhat disagree. I don't think it was "complete", but just ran into bad luck. IOA was starved mostly due to the myraid of problems that came with the resort renaming and the decade it headed into. After 2000, the park was just left sitting there to stagnate for an entire decade. And arguably Potter was so separated from the rest of the park (still is) that it really feels like it's just now the park is getting some love.