Please replace with Ansible, Chef, Puppet, HP Vault, Solaris Zones, OpenMosix, Bewolf, Grid Computing, MTS, CORBA, JEE .....
An argument based on seeing hype come and go, sellig conferences, books, certifications, consulting, training, and naturally one selfs curriculum.
Speaking of which,
"Kubernetes Certified Application Developer (CKAD) with Tests"
https://www.udemy.com/course/certified-kubernetes-applicatio...