The chance that your car might be washed away is not the only reason to avoid driving across a flooded road.
The greater danger is that the road under the flood waters has already been washed away.
How many large system projects fail because of unexpected dependencies or unknown conditions?
Visibility is a clear and immediate benefit of a mature EA practice.
And remember, just because the road is going in the right direction – i.e., is aligned with your business – does not mean it’s at all safe.
Photo By Brian Stansberry (Own work) [CC-BY-3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons