Dymaxion map is beautiful. But I consider it critically flawed for "general use". Understanding the distances between points on Dymaxion map is nigh impossible (at least for me).
I think Bucky's point was to show the world as a single continent. Kind of subverting the cold war a bit by showing our continents in closer proximity, and emphasizing our common interests. He also envisioned a worldwide electrical grid that would span the North pole.