Comment on Talking about Socialism with Chinese Characteristics keeps getting me booted from Leftists communities

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It's a great thing to start thinking about. We are running out of food. This kind of new industry and more like it will be needed very soon. If it becomes cheap fast, wild fish might not even go extinct.

It will also lead to monoculture. Only one fish species will be farmed at large scale. And probably one business will control the entire industry, so they will have huge power over the good supply.

And the extra nutrients, they are fertiliser, at a time when the world is running out of fertiliser. They could be growing fish food with it, in tanks exposed to sunlight.