how much more knowledge are involved, less luck will be necessary.
Try play without see your cards, it's hard?
Some pokerpro will win a lot of pots, why?
Poker is a game of minds, the cards some times don't make difference, you can lost AA for 72o in a allin preflop, but if you play and analyze the board and the villain, you can make a good lecture or induce him a fold better cards.
You will have no luck in a mtt a lot of time, but if you play concentrated all the game, you can fall and getup again.
In a mtt with one specific player, i was in allin with him at lest 3 times, i lost all, but had finish in the money, 6 place, my good lectures in some times was gives me a percent of possibility fails without lost all my chips.