General statement because some of the comments are referencing the ship's pilot.
The ship was being piloted by a harbor pilot.
Harbor pilots work for the port authority. They specialize in navigating that particular port.
Things can still go wrong, because floating skyscrapers, but it means you can cross off lack of familiarity with the route.
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Oh, and let's mark age off the list.
Dali is a 10 year old ship. Container ships have a 20-30 year lifespan.
Maintenance is a separate conversation, but it was old enough it wasn't a lemon off the line and young enough it wasn't scrap material.