If Amazon doesn't want to pay for your product they are not going to. They will just (re)implement it themselves with a compatible API. Even if MongoDB was a pr

If Amazon doesn't want to pay for your product they are not going to. They will just (re)implement it themselves with a compatible API. Even if MongoDB was a proprietary product with an Oracle-style pricelist Amazon still would have done the same: Reimplement it with compatible API. Then again the reverse is also true. Just look at all the software providing an S3 compatible API.