I’m not sure why anyone would use ECS. Their APIs are terrible and the tooling is no where near what k8s offers.
Want to have a rapid development experience like tilt/scaffold/devspace? Have fun
Want to add Prometheus and Grafana? Have fun
Want to create development environments where an app declared its dependencies and they are installed alongside and can communicate? Also have fun
There are many more of these…
Kube is cloud Linux, and ECS, in classic Amazon style, is just a terrible version of it.