TL;DR

Event-Driven Architecture (EDA) is often hailed as the magic bullet for building loosely coupled, infinitely scalable systems, but it’s not without trade-offs. You still need to wrestle with temporal versus design-time coupling (just because services aren’t calling each other directly doesn’t mean they’re truly independent), and scaling can simply relocate your bottlenecks rather than eliminate them.

On top of that, stitching together complex workflows across multiple services is a telltale design smell, and nailing down event ordering and boundary definitions is way trickier in practice than it sounds. In short: EDA can shine for certain use cases, but don’t let the hype blind you to the messy realities.

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