There is a basic assumption that these applications are being deployed to the cloud such as AWS, GCP, Azure, etc. so your app is already using all of this regar

There is a basic assumption that these applications are being deployed to the cloud such as AWS, GCP, Azure, etc. so your app is already using all of this regardless - you just don't manage it - the cloud vendors do. Unikernels ask the very pointed question - if we're already being deployed as virtual machines and using these abstractions why not get rid of everything else and pick up the security, performance, etc.