According to this picture, it is trying to make the conclusion, that it is very strange to make such a harmless thing, that simply is natural illegal. Marijuana unlike many of the other illegal drugs, is 100% natural, and has nothing done to it. Heroin is considered a man made drug, while cocaine is partly natural, coming from a Coca plant, however is fixed by humans to make it the drug it is. The final comparison between Marijuana and the other drugs, is that the side effects or negatives of marijuana and much less than those of cocaine, heroin or other illegal drugs. Marijuana can also be used much more beneficially opposed to these other drugs.