One problem with paying some person with few resources to go vegan, is that they may not have the capacity to find vegan food that provides all essential nutrie

One problem with paying some person with few resources to go vegan, is that they may not have the capacity to find vegan food that provides all essential nutrients, meaning you can actually cause them to suffer from malnutrition. That's kind of like paying for sex, when you have an STD. Not only do you pay people for something they may find disgusting, there is even a risk that you cause actual harm to them.