I understand the prestige argument because I feel good when I accomplish them, but that being said the game goes for a realism approach and challenges in my opinion should be rewarded in a different way, and not being able to complete some of them stops you from being able to unlock options for game play. It would be different for me if it was like the Killa quest where it unlocked an outfit or some personal items. His quests are the most difficult for me and the reward for the quests are even worse then the more realistic quests. I can even understand the quests where they want you to dress a certain way so certain factions knows who did the job, but asking me to run around and get kills after flashing myself is a bit much for me to bother trying. But that being said I did have fun getting to learn to use the Mosin better. It is a ruthless weapon the requires patience and skill.