Event-driven architecture looks like the holy grail for loosely coupled, scalable systems, but there’s more under the hood. Temporal vs. design-time coupling matters—just because you’re not calling another service directly doesn’t mean you’re truly decoupled at runtime. And yes, you can scale out your event brokers, but you’ll just shift the bottleneck unless you rethink where your work actually happens.
Wiring up complex workflows across services? That’s usually a red flag. Chase too many event patterns and ordering guarantees turn into a maintenance nightmare. The real win is in defining crisp service boundaries—emit only the events that truly matter and keep orchestration as simple (and localized) as possible.
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