1, what you may see is superficial. Some people may look bad to you, but sometimes what you see with your own eyes may be superficial. Many times, what we don't like is often what we don't have or what we want to have. The poor character in your eyes may be just what the world needs, because what you see is limited by your vision and may not be true.
2. If it is really bad character, then such people can only earn a little money and can't go far. No one will really do business and make friends with a person with poor character. Even if you meet some opportunities occasionally and seize them, it won't last long.