You earned your stripes in the Iron Banner for the armor you needed to become a level 30. Coming from someone with a character that did both, I congratulate all 30's and those close.
Who cares how they "earned" their armor. We should be stoked for others progression through the game, not create some stupid debate to make you feel better or above someone.
[spoiler]its a -blam!-ing video game [/spoiler]
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#Destiny
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30 is 30. It's that simple. If you have raid armor that grants additional heavy ammo or special ammo then you are (like me) at a loss when you die because the game takes whatever bonus they gave you from you each death.