It matters alot, but observing your parents alone, doesn't mean that you are safe. Could be it's recessive in your teetotaler parents, but your grandfather was a roaring drunk.
Alcoholism is in most cases genetics, I drink and have been drinking for the last 24 years, but at my time and choice, I know guys who are in both ends of the spectrum.
You are making it seems as if it's only in Kenya, that people campaign for posts? All over the world people invest in campaigns, and govern their people without stealing.