As they say, one can bring a horse to a waterhole, but cannot force it to drink. If you read my texts, at least you know why I am wrong.
Talking about parasites, I lived in a socialistic country, studied socialism, and fought it. In socialism parasites flourish, but all advocates of socialism would say that this is not what socialism is all about. They would say that it is just about weaknesses of human nature. But they are working on it, by limiting freedoms of individuals in order to make them behave in a way perceived by socialists as proper.