There's an easy bent towards designing everything for scale. It's optimistic. It's feels good. It's safe, defendable, and sound to argue that this complexity, cost, and deep dependency is warranted when your product is surely on the verge of changing the course of humanity.
The reality is your SaaS platform for ethically sourced, vegan dog food is below inconsequential and the few users that you do have (and may positively affect) absolutely do not not need this tower of abstraction to run.