Ok after seeing your first edit... Not all came from call of duty some came from legit MMO games & shooters. Someone like me actually and someone like me would still say NO. Fist of all 90% of deaths are either completely avoidable as in either hey ya screwed up and got yourself killed or you just suck. Second a large amount of deaths are 1-2 shot like nightfall bosses hitting you with the burn modifier, crota one smacking sword carrier, atheon fight has plenty of full wipes. You don't need "healers" at all in this game. If you truely feel you do then you aren't very good I'm sorry to say it.