Animals, or at least those who are conscious and capable of suffering or enjoying their lives, are not things for us to use in whatever way we find convenient.
Paradoxically, resource-rich developing countries are often worse off than comparable countries that lack those resources. One reason for this is that large resource endowments provide a huge financial incentive for attempts to overthrow the government and seize power.
I have never really been fond of animals. I certainly wasn't an 'animal lover' when I became involved in the movement. I just came to be persuaded that animals should be treated as independent sentient beings, not as means to human ends.
If we use goods made from raw materials that are obtained from a poor country without the proceeds being used to benefit the people of that country, we become complicit in a particularly iniquitous form of grand larceny.
Every profession will have its rogues, of course, no matter what oaths are sworn, but many health care professionals have a real commitment to serving the best interests of their clients.