If I hadn't been inside of Biosphere 2 and really lived a biological life-support system, I definitely would not be involved in life-support systems for space.
It's well-known that people don't respond to scarce resources necessarily in what we might consider a positive light.
Shrimp farms are a scourge on the earth, frankly, from an environmental point of view. They pour huge amounts of pollutants into the ocean. They also pollute their next-door neighbors.