How can we make a better Unikernel toolchain to adopt an existing cloud environment?

After two years passed, it seems industry move through Kubernetes. It seems OCI standart is getting strong and traditional Docker tooling transitions to containerd.
But I still believe Unikernels will stand a chance for existing cloud formations. It is mostly perfect fit for especially serverless applications.
On the other hand, Amazon AWS teams already started a project to benefit from Unikernel advantage.