Clean architecture is useful when it lowers the cost of change. It stops being useful the moment it becomes abstraction theater with no delivery advantage.
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The real target is change friction
A good structure keeps domain decisions local. When a pricing rule, content model, or API contract changes, the effect should stay bounded instead of spreading across the whole stack.
Simple assembly points beat decorative abstraction
The point is not to create more layers. The point is to keep domain rules legible and keep composition simple enough that the team can move quickly without breaking unrelated areas.