Uh, yeah, maybe?
Apple markets mostly to the Educational and Creative (Artists, Web Designers, Hollywood Script Writers, etc) markets, which also seem to have the highest drug use out of most of the markets. So why not put an obvious "Pothead" on one of their "Switch" ads? They are now marketing to the teenage girl student market with Ellen, who also seem to smoke pot and use other drugs?
[link|http://games.speakeasy.net/data/files/khan.jpg|"Khan!!!" -Kirk]