The Capitalist exploits nature

Trade can be a kind of theft if we consider the victim to be made vulnerable through circumstance. Circumstance might make them desperate, an illness would create a market for the remedy and so the Capitalist allows the environment to create the vulnerability. If we provide something that nature will create a demand for then we will make a profit. Sometimes we might do more work than we need, for example we might grow a surplus of crops so that we can buy something frivolous such as jewellery.

So if we already have enough, what do we do, sell? And can we exclude the customer from it without a purchase, should we?