Like anything else, a product has a life-cycle and depending upon the revenues generated this can be long or short!
Smaller Companies have shorter development times and test their markets by consumer demand.
Unfortunately the computer games user-base tires very quickly of any new product, so new development must always be the manufacturers priority.
I am still not sure why UBISOFT did not release an SDK, being that the game was heavily touted as a 'sub-sim'...
I guess (thinking about it) they have every right to protect their 'intellectual property' however they seem fit - maybe because it could open a 'Pandora's Box' to a community-driven pseudo-SH4 and perhaps they want to keep that option open to themselves? :hmm:
As far as the Team break up is concerned, I wish every one of them the very best of luck in their future endeavours and thanks for a great game.