Do you mean a fireteam wipe or a death + self respawn of a member of a team? I did not notice anything and there was even some beneficial things on the down status. On a fireteam wipe, we had to restart from a checkpoint, which were placed very generously. We got the exact same amount of special+heavy on the time of death. When a single fireteam went down, we first tried hard and went for revives, but then noticed that a self revive after the spawn delay had no consequences at all. It even came with some free ammo for primary and special weapons. IMO Destiny is very casual in this matter. I wanted the Strike to be something you carefully plan and even level grind for before attempting it. Too often I would be joined by some heavily underlevelled players (6 on a level 8 Strike) who could not do enough damage to help out and continuously go down and eventually give up and quit. This would not happen if down status + no revive from team member would cost XP, glimmer, all ammo etc. Without any penalty you will see a lot of Rambo players dying themselves to victory and then complain that the game is too easy.