This is not a big price difference. I buy fair trade and organic where I can and prices are sometimes even below those of the exploitative and contaminated products.
In other cases the clean ones cost twice as much or more as the evil ones.
So this case is not bad at all.
It's like buying your car where you know it's stolen for 20% less, would you do it?
The global economy is broken by design. It cares nothing for individuals or nations.
Take a big long look at it and tell me a nation that stocks shelves is healthy.