Now, with regard to the above post, there are many rides at WDW in which the CM enhances the end product. I've seen some amazing CM's at TOT that completely made the ride even better, so while people don't necessisarily enjoy the "script" as much, they aren't saying it's a stinker.
JC continues to be one of the most popular rides in the park. I'd say that for that reason, it has, in fact stood the test of time. I don't see your logic in your concluding arguement.
JC will never be Kilamanjaro, nor should it be. At least it doesn't have the stupid poacher sub-plot, and we expect all the animals to be animatronics on JC. Remember, this is a park for children. Until we get 4 and 5 year olds voicing their opinion on the internet, let's not forget that perhaps we don't remember completely what it is like to see the world through a child's eyes.