So I've thought a lot (too much) about the AA in RJ - and Kong, and to a lesser extent LM. All of them have been bothering me, and I've been trying to articulate why.
AAs are a tool, an element to be integrated into an overall whole in order to further a narrative or mood. They are used as such in the best rides in the world - PoC and HM. None of those AAs in those are particularly mechanically spectacular by modern standards - what makes them remarkable is their art design (particularly their brilliantly caricatured faces) and the way they fit together to form the attraction as a whole.
The Shaman, Kong, to a lesser extent Ursula, exist almost entirely as pure spectacle. They are positioned at the end of the ride, the payoff. They sit alone in a scene, the sole point of interest, rather than grouped with other characters - the set design screams "hey, look at this." Instead of being integrated into the rest of the attraction, they stand apart from it, mechanical marvels that exist for their own sake rather then for the mood or story of the ride.
This seems to be a problem in modern ride design - attractions are conceived of as a collection of individual "cool" elements rather than as an integrated whole. As I said earlier, I'm fairly convinced RJ would have been better off with a wide collection of basic AAs rather then the single, admittedly amazing Shaman.
Hope this made sense.