Prove me wrong. I'm a lore expert on Destiny, so odds are I can refute any argument you provide that favors Destiny. Vegeta and Goku would beat the entire Destiny universe in a fight.
Lets also assume they know the mechanics for the VoG and Crota's End.
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Well let's assume that all of the guardians know about the dragon balls then? They wouldn't know how VoG or Crotas end work,they would be forever lost in the dark corners of time. You lost, so you decided to make your post exclude the thing that made you lose.