Comment by otterley

> You not only have to pay double for the infra but also be charged for inter-region data transfers.

Well, yeah. Redundancy isn't free. I don't see how this is controversial.

> And, when the worst comes, you realize it was all for nothing as IAM doesn't work, for example.

What do you mean, "IAM doesn't work"? IAM has always worked, even during control plane impairments. You cannot depend on control plane operations to work during incidents; you should plan in advance for failure and have your orchestration already set up so that you don't have to touch a thing when you have to weigh away from an AZ or region.

https://docs.aws.amazon.com/wellarchitected/latest/framework...