This comment is unnecessarily antagonistic, and you are consistently and willfully missing all the points in your replies. He could have set up a more complex

This comment is unnecessarily antagonistic, and you are consistently and willfully missing all the points in your replies. He could have set up a more complex architecture and paid much more in hosting costs over the years to overengineer the solution. What would the benefits be? It might have avoided this one outage or saved a few hours restoring the data. The drawbacks? Much more time developing and maintaining the solution and higher subscription costs for users. The solutions you are familiar with and comfortable with are perfectly valid. But you are falling into the trap of thinking "what I'm familiar with and comfortable with is the only valid answer and everyone else is wrong and stupid".