This feels like the tech equivalent of tax avoidance.
If too many people do this - AWS will "just close the loophole".
There's not one AWS - there are probably dozens if not hundreds of AWS - each with their own KPIs. One wants to reduce your spend - but not tell you how to really reduce your spend.
If you make something complex enough (AWS) - it will be impossible for customers to optimize in any one factor - as everything is complected together.
If too many people do this - AWS will "just close the loophole".
There's not one AWS - there are probably dozens if not hundreds of AWS - each with their own KPIs. One wants to reduce your spend - but not tell you how to really reduce your spend.
If you make something complex enough (AWS) - it will be impossible for customers to optimize in any one factor - as everything is complected together.