If you don't think about things like cost and complexity, yes it is easy to build complex solutions that are costly. If you are conscious about designing a sim

If you don't think about things like cost and complexity, yes it is easy to build complex solutions that are costly. If you are conscious about designing a simple solution, which can help cost, and then review the cost at scale, then it can be very worthwhile to use cloud services. Editing to say that solutions recommended by cloud vendors may not always be the simplest, nor more cost effective.