Most people are not ready to hear this information yet, but not so far off, they will be.
Many of these "Star Seeds" have not "awakened" yet themselves. The Confederation stands by ready to "help" them to do so, if it is necessary. For ones such as these who have yet to "awaken", they will have felt all their lives that they are somehow "different", and they have a deep sense that somehow, they "do not belong here". Many of them will also have many dreams and even visions, of their lives on their Home planets. Many of these "Star Seeds", are in fact Plejaren. That is why the 'tall blondes' keep 'showing up'. To help their Family awaken to their assignments here.