[talawahdotnet]

I certainly agree that they seem half finished in terms of features and developer experience, but from the point of view of security and data durability they have an excellent reputation. They typically have a pretty good reliability story as well, but it relies on the customer architecture their solution to take advantage of multiple AZs/Regions, which is often not trivial.

As far as being "viable to trust a business on" the numbers don't lie, AWS is number one because customers are running their businesses on AWS. The fact that DocumentDB launched with supporting quotes from Capital One, Dow Jones and WaPo shows that customers were clamoring to use it even before GA.

Remember a lot of these customers are coming to AWS because they tried doing themselves and stuggled. When it comes to data, customers trust AWS more than they trust themselves, and rightly so.