Event-driven architectures promise loose coupling and infinite scalability, but in reality you often just swap one bottleneck for another and introduce hidden “design-time” ties between services. Overusing cross-service workflows can lead to brittle systems that are harder to evolve, even if they look nice on paper.
The real win comes from understanding where ordering matters and drawing clear service boundaries. By distinguishing temporal from design-time coupling and treating complex workflows as a code smell, you get the best of events without the ugly surprises.
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