They would be wasting their money advertising or trying to tell the truth on the airwaves.    These people call is  Monsatan.   They are not going to believe anything that Monsanto, Dupont, Bayer or Syngenta say.   I've suggested that  the Women in Ag.  Conferences bring in experts to explain GMO and etc. to farm women  so we can feel more comfortable discussing technology.    The pamphlets at the coop would be a great idea.   Until then just keep taking on what you do know.   For every myth we can bust... we might get them to see another where they have been lied to.