[quote]What the heck was the logic behind removing material exchange for Crucible rep and marks?[/quote] If both the sell materials and buy materials were in the game at the same time then players could cash out all of their vanguard marks for crucible marks. It was not an unintentional side effect, They listened to the community who wanted a way to buy materials. Having both would have broken the game in regards to getting Crucible marks. PVP factions are for playing PVP, It's feasible to think that you might actually have to play PVP if you want to get PVP faction gear. Destiny is by far PVE heavy, after all there are only 4 main Crucible playlists and the occasional Salvage or Iron Banner. On top of that reaching level 30 can only be done in PVE.