TL;DR

Event-Driven Architecture (EDA) isn’t a silver bullet—it buys you loose coupling but only shifts bottlenecks around, and sprinkling events everywhere can turn your workflow into spaghetti if you’re not careful. The key is recognizing the difference between temporal coupling (where things actually wait on each other) versus design-time coupling (tighter code dependencies), and knowing that scaling often just moves the choke point elsewhere.

When you start juggling event ordering, you’ll want clear service boundaries to avoid chaos—otherwise those “nice, reactive workflows” can quickly become a maintenance nightmare. In other words, use EDA where it makes sense, keep your service contracts tight, and don’t confuse cool real-time flows with good, manageable design.

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