You're conflating different things - this has nothing to do with Pet vs cattle.
Even in your confusion, State still exists in the real world and needs to live somewhere, it also is unfeasible to always recreate big states.
Even in your confusion, State still exists in the real world and needs to live somewhere, it also is unfeasible to always recreate big states.
I've gone to the trouble of googling these articles for you (it took me a whole 30 seconds!). Please read any of them.
https://webcache.googleusercontent.com/search?q=cache:https:...
https://devopscube.com/immutable-infrastructure/
https://thenewstack.io/a-brief-look-at-immutable-infrastruct...
https://www.digitalocean.com/community/tutorials/what-is-imm...
https://www.hashicorp.com/resources/what-is-mutable-vs-immut...
https://www.techtarget.com/searchitoperations/definition/imm...
https://www.oreilly.com/radar/an-introduction-to-immutable-i...
https://www.terraformpilot.com/articles/mutable-vs-immutable...
https://www.bmc.com/blogs/immutable-infrastructure/
https://www.linode.com/docs/guides/what-is-immutable-infrast...
https://devops.com/immutable-infrastructure-the-next-step-fo...
https://openupthecloud.com/what-is-immutable-infrastructure/
https://www.opsramp.com/guides/why-kubernetes/infrastructure...
https://www.cloudbees.com/blog/immutable-infrastructure
https://www.daily-devops.com/devops/immutable/architecture-p...
http://radar.oreilly.com/2015/06/an-introduction-to-immutabl...
https://highops.com/insights/immutable-infrastructure-what-i...
https://docs.aws.amazon.com/wellarchitected/latest/financial...
I might have more YOE than you do for example, and might have worked on bigger companies/infras than you did - what does it matter to the opinion at hand ?