The end never justifies the means.
What about in the situation where we get a nice hot crispy piece of KFC on our plate. It is widely accepted that the end justified the means in that situation. Same for a delicious hamburger. Would you be willing to give up eating delicious hamburgers because the means to achieve the hamburger deliciousness is less than fortunate for everyone involved?
For most gains there is a sacrifice. In the Pitt I really wanted to free the slaves because it felt like the right thing but I knew it could destroy everything the Pitt boss had been working for. The cost wasn't worth it.