The point of having hevan and hell may just be to point out that duality exisits. Every coin has two sides so to speak.
You can believe or not in oh say the "wind" for instance as you wish, it makes no difference to the wind, it will still blow upon you all the same.
(though personally it would be refreshing for a change if while debating such things you would refrain from calling everyone;who doesnt believe exactly as you do, stupid, deluded, crazy or on drugs just once, I can assure you that just becuase one disagrees with anothers views on sprituality, it is not a foregone conclussion that they are in any way dimminished in their capacity for logical thought or incapable of being insulted by such sophistry)