How does this study get past peer review... Oh wait I know it is being published in the halls of a social justice echo chamber.

There is so much subjectivity in every claim made it is ridiculous.

THERE IS NO SUCH THING AS ETHICAL FOOD.
There is however criteria that the author would like to see applied to all food products, so that they can feel better about the world.

You know who doesn't buy organic products: First generation immigrants, because they know it is a scam. And trust me all first generation immigrants have a far better diet than the average North American.