In OO systems, we often talk about "Simple Objects & Complex Interactions" v/s "Complex Objects & Simple Interactions". In my experience, being at either extre

In OO systems, we often talk about "Simple Objects & Complex Interactions" v/s "Complex Objects & Simple Interactions". In my experience, being at either extreme becomes counter-productive. To me, it comes down to finding the "happy middle" for your project. Monolith v/s Micro-services/Serverless are similar. Neither extreme is productive. There exists a happy middle depending on the situation.