> Basically, in almost all situations, if something cannot be provisioned, or a service doesn't become healthy, CF would roll back to the previous state. Until

> Basically, in almost all situations, if something cannot be provisioned, or a service doesn't become healthy, CF would roll back to the previous state. Until it doesn't and then you are in a completely unfixable state, must file support tickets and get AWS support to debug it and figure out how to unbork it. Meanwhile terraform gives you tools to investigate and fix it.