I'll just leave this here as more supporting evidence using Math. And people where trying to argue with me...

I wonder if you get an Artificial Defense Bonus and Damage Buff for being a Low Level. Im surprised he is killing them so fast and not dying. I get mowed down in 4 bullets from people and usually have to dump my clip into them to hope to get a kill. this video makes it seem so easy.

You're wrong. Iron Banner does make a difference but not to the extend so your level 30 Guardian will be carried only by gear and level difference. Which is good because I want low levels to have a fighting chance.

I've found that Iron Banner has some noticeable differences. While the difference in gear/level may seem non-existent, I've noticed myself doing much worse in my IB matches than in the Crucible. My theory on this is that the level tweaking has just enough of an effect for grouped enemies to team shot me with great ease. This caters to defensive play, as well as strategic coordination with a fireteam. I'm a very offensive player who tends to lone wolf it in most situations. I definitely go down much quicker in IB when I attempt my usual crucible strategies. This forces me to play defensively which has shown some improvements on my end, though the real advantage goes to whoever has coordination.

I see no problem here. You are playing on Iron Banner and that is new content.

I'm level 27...and a level 19 warlock takes a shotty to the face before he gets me in 1 shot. I'm lost lol

guys hold on a second just think of the explanation were going to get im thinking something like oh we couldnt make you op because we wanted to give other players a chance i think that would just contradict the whole point of iron banner! i just want to hear what they have to say to cover that ass!! this game started ok and it just keeps getting more bad i really liked the game like many other people when we first started playing it but like the first week after having the cryptarch give you legendary engrams that just turned blue all the time then bungie making a joke about it that just let the players know it was shit and a waste of time basically if they would of made more of a rewarding system they wouldnt have had to make all those hot fixes and patches! and that random drop shit they got OMG! i was watching a stream one day and they were talking about some AFK method on rumble so i looked more into it and it was players going into a pvp rumble match and not even playing they would tie rubber bands to the controller sticks so the avatar would move and not get kicked from the lobby to get rewarded with stuff and it was working so here i am at home just thinking to myself WTF this has to be a joke! but no not on destiny the good players dont receive crap but the bad players get stuff and sometimes the good stuff and by not even playing the -blam!-ing game! but hey good gear cant even save your ass in iron banner!!! WHAT WENT WRONG BUNGIE?

You played with a full fire team..

I'm going to agree with everything the OP said. I was actually going to make a post of my own but I saw yours when I first clicked on "Forums". I've been damage testing the BS that is called "Iron Banner" or should I say "Iron Crucible" since there really is NO difference. I've been rocking the Legendary Shadow Price for a long time now and once I started Iron Banner, I was curious as to what my damage output would be. So I began keeping track. When I first started my Shadow Price was upgraded until the last 3 Attack Upgrades (274 I believe) and I do 32 damage on a crit at level 28 against 28-30 and even those who were lower. So I decided to finally upgrade some damage and make myself a level 29 by putting on an Exotic Headpiece. So one after one upgrade followed by another to reach Attack 300, my Shadow Price STILL does 32 damage to the head on ANY CLASS, and ANY level. So what is all this hype over Iron Banner and level advantages? Nothing...just a fancy name with more pointless gear that can't even get you to Light 30. I decided to do another test, since while playing I ended up dropping a Rare Painted Suros with the buff that allows me to do more damage while aiming down sights. (Same buff as the current second most OP gun in the game. Suros Regime) I used one bounty on it to unlock my buff and back into the crucible, sorry, Iron Banner and low and behold, I now do 39 damage to the head while aiming down sights! But wait a minute...This gun only has 224 attack. Its so much lower than a fully upgraded Exotic or Legendary such as my Shadow Price...why is this number so high? I decided to upgrade it a little bit more...sure enough, still doing the SAME EXACT DAMAGE. So Bungie, please as the OP says in his video. What on earth are you thinking? Who is in charge of the math and damage algorithms used in multiplayer? This game just continues to be broken on so many levels. And we haven't even began talking about the Vex Mythocast.