You nailed it so perfectly. The difference is encapsulation of dependencies and independent scalability of each service. That aside, whether we have a monolith

You nailed it so perfectly. The difference is encapsulation of dependencies and independent scalability of each service. That aside, whether we have a monolith or microservices, you cannot fix bad architecture. It’s like spreading out components with larger copper traces and separating them. If you’re circuit is wrong, no amount of things you can do on the PCB level will fix it. Fix the schematic (circuit) first.