Why is that no other studio and franchise can accomplish what Ufotable and Type-Moon has done for each other?
Aniplex throws money at Ufotable and TM supports them->Ufotable delivers to fans above and beyond their expectations> fans throw even more money to Ufotable which makes Aniplex even more money->Repeat
I wouldn't be surprised if the God Eater anime is great also.
Why can't anyone else accomplish this?
Closest current franchise that does this would be Shaft and Monogatari and that just prints money.
ufotable probably don't get a great deal from it as far as a slice of the revenue goes, it is an adaptation after all the majority of the money will end up with companies like Aniplex and TM just like the Monogatari series for SHAFT. They probably get paid a certain amount up front and make some guaranteed profit from that and then get a small share in the revenues the production committee makes. In return they aren't risking bankrupting themselves on a flop which they are funding.
That is fine and all just saying what the usual kind of arrangement for adaptations are. More often than not the majority of the funding is coming from the people owning the property rather than the studios and it only makes sense that you proportionally get out what you put in. If I invest 5% of the funds I get a 5% share in the fruits of success.
The Tales of Xillia OP is the best OP ufotable has done and you can't prove me wrong.
Over the Clouds is their best opening song but animation is sort of meh
OP, have you forgotten that F/SN before Ufotable was already a giant? It's like the best-selling VN of all times, and pretty much the most famous one. It just happens that no other VN has managed to reproduce the same success in their adaptations for... a number of different reasons. MLA would require adaptations of the other two titles and it would drag too long, Baldr Sky's last and best route works precisely because of the route system, Ever17 the same, etc. White Album 2 IC was a success though IRC, I remember /a/ liking it quite much. And then you have VNs with mediocre adaptations like Oretsuba, and more extreme cases of badness like Force.
It's hard to find a studio that merges so good with someone's work as TM/Ufotable tag team, also, some studios are just plain shit and will never deliver anything good or found a soulmate, like DEEN.
On a side note, KyoAni breaking it's ties with KEY is the saddest event to happen this decade regarding anime.