The Pros And Cons About Legalizing Marijuana Mainstream vs. Alternative Media; who do we believe? The Journal of Media Studies Writer Discussion of the legalization of marijuana brings up two main issues, those who are pro- marijuana and those who are anti- marijuana. These issues have been covered by both mainstream and alternative media, mainstream being pro, and alternative being anti. These two factions have been arguing over this issue in the halls of justice for many years. Because most of the American society is mainly exposed to only mainstream media, they are not aware of other factors of legalizing marijuana that alternative media covers. T