Carries....
...shouldn't carry themselves (all else being equal) before they are carrying. At the very least, a carry should need his/her team to buy him time. Within buying that time, a whole bunch of ass can be kicked; but carrying is a role just like anything else.
tl;dr The game is very hard to learn as it is now, and there seems very few ways to have fun in a deep action-packed strategy game with 140+ champs.