An analogy would be - what is next after Linux? Well, developers do not run infrastructure. They want to deploy and scale their apps fast and focus on their bus

An analogy would be - what is next after Linux? Well, developers do not run infrastructure. They want to deploy and scale their apps fast and focus on their business. If something comes up as a compatible (eg. helm charts) option to kubernetes, yet simple for developers to enable planet-scale rollouts...why not. Most likely it will be built on kubernetes in the foreseeable future.