Well, I looked at the "gestalt" Wikipedia article. As near as I can make out, you're saying that Google in fact highly tailors its search-for-geneticists, which has nothing to do with its search-for-bakers: it seems like a single whole, but isn't. But that patently isn't so. Patently, every niche runs off the same algorithms. Equally, bankers' circle of friends use the same facebook that teenagers' circle of friends use: it isn't multitudinous facebooks that seem to be one but are really quite different. Likewise jeans in jeans-and-a-blazer are obviously the same jeans as jeans in jeans-and-a-tshirt. iPad apps are built with the very same SDK and frequently have very similar UI/UX. There is literally nothing domain-specific about objective c. I will grant you that Amazon's cloud stuff is very different from its merchandizing operations, but beyond that I don't see where the big difference between shipping books and shipping dry cereal is, which is two businesses that Amazon is now in. In fact, if anything, Amazon's cloud services are the OPPOSITE of domain-specific: Reddit, which includes ZERO filesharing, is on it, and so is Dropbox, which is basically ONLY filesharing. If you look at what Amazon is actually exposing with AWS, you will see it is as generic and non-domain-specific as theoretically possible. Heck, they've even abstracted away the individual server! (So the last bastion of something that might separate a database-heavy user site from a disk-heavy backup site disappears). I would say that their whole movement is towards being non-specific.
You probably understand what you're saying better than I do, so please do explain. Because from where I'm standing, it seems the whole march of the Internet is in busting domain-specific-languages and approaches. Every time a cute hack with CSS hits the front page, it's proof that CSS derives its power precisely from not being a domain specific language. Off-hand, can you name a single domain-specific language or approach that has really 'won'?
You may know more about this than I do, so it is certainly a genuine question.