And they only take three or four days to deprogram.
Many of these "sad, alone, and bitter" individuals are not being given an out, once they fall in with the wrong crowd. Combined with the fact that they exist mainly in the rural areas, where information and transportation are limited, it's no wonder they fall prey to the Dark Side.
Reach out to these communities, these people. Give them easier access to the rest of the world, and be patient and forgiving. Humanity wants to be united, and they'll come around.