I also spent a lot of time optimising my workflow, which leverages build/test on change and large volumes of automations. Unit tests are also key.
Those people are not 10x engineers, despite them sometimes thinking they are.
(Not saying that's you, I don't know you).
There are places where there’s a need for k8s and similar, but largely that’s when you’re at google level scale. For the rest of us plebs, maybe leveraging simpler paas solutions or traditional mechanisms are more effective.
Except CRM. If you’re building in CRM you’re just making a mess, no matter what the rationale is.
Of course you'll royally screw over the rest of the company/team that has to productionalize, maintain your code + spaghetti of services after you leave.