This isn't my experience with eks + fargate My theory is that they keep nodes booted up and ready and when kube-scheduler cannot assign node then Aws will just

This isn't my experience with eks + fargate My theory is that they keep nodes booted up and ready and when kube-scheduler cannot assign node then Aws will just add this ready instance to your vpc and ask it to join your cluster. From user perspective it looked like you always have available capacity on your cluster