Maybe you are simply unfamiliar with history, but at the time his views and speeches _were_ suppressed by mainstream media. Even when he was so famous that this

Maybe you are simply unfamiliar with history, but at the time his views and speeches _were_ suppressed by mainstream media. Even when he was so famous that this tactic did nothing to prevent people from hearing his message the media at the time (and to this day in some cases) highlighted the parts of the message that dealt with racial injustice as a means of hiding the bits that attacked capitalism and poverty created by America's economic choices.