Well its a lot harder to find cures for aids and cancer . Plus the government through the Dept of agriculture are always finding things to do. My father is a federal policeman and he says that they have to spend money or even vacations or they cant get the money when they need it. Besides this is interesting to me since when the flower of the plant that can kill its seed passes it onto the seeds the plants resulting could possible be the ones to end the genetic line for a particularly invasive species.It could also stop or at least slow the spread of invasive species. ( Which means plants that are rare or endangered or not known could be kept around longer. BJ