The ocean is a dynamic environment. Nets get tangled, lines get tangled, wildlife interferes, weather and sea conditions are harsh and unpredictable. The ocean

The ocean is a dynamic environment. Nets get tangled, lines get tangled, wildlife interferes, weather and sea conditions are harsh and unpredictable. The ocean isn't a nice flat square corn field that a combine can lazily navigate through. We've just barely figured out how to automate picking strawberries in a nice safe greenhouse.