A trade system would not ruin the game. Plain and simple. The reason why you get multiples of the same loot is for the trading system that was originally designed for the game.
English
-
When was it ever designed to be a part of the game? Proof or it didn't happen
-
Umm look it up :)
-
Already have, and nothing. That's why I ask for proof.
-
Then you obviously didnt look it up correctly because there are actual videos of bungie employees talking about trading and other ways of getting items from ppl like gambling