After all these patches and changes I think it'd only be fair to start again with a clean slate. For example, someone's KD would've been a major factor before the Nerf of a Vex Mythoclast. This way everyone plays with the fair version of the gear.
Also, for the new people who joined the game this past month and are just leveling their characters. Its not fair for us to make fun of them because they're new. Again its only fair.
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All I hear in my head is, "shut up and drink the koolaid." There is no "fair" loot drop in any game like this, by this I mean one with an RNG system. The only way to be fair would be to grant everyone every exotic, but even then it's not fair due to skill gaps. I can't speak for you but I know I suck at PvP and I can deal with my poor K/D, all I can do is try to get better. [spoiler]If this was a troll post good job.[/spoiler]