When you try to shoulder charge the effect doesn't last forever while you are sprinting so you have to stop sprinting and sprint again which is such a pain. With sniping you always have ammo with ice breaker and no land beyond. With should charge you are on the enemy's radar which gives away the element of surprise. With sniping you are not seen u till you are in their kill cam. With shoulder charge it is not always a one hit kill when hitting a ram warlock. With sniping it is always a one shot to the head. Whit shoulder charge you can get shotgunned out of it. With sniping shot guns won't even touch you. With shoulder charge you can't hit a boss with out the ground quake attack from them. With sniping you can camp in the back and kill easily. With shoulder charge you have to unlock it on one subclass. With sniping any one can use it at any level. Just a few reasons why Shoulder charge takes more skill than Sniping.