Luck is irrelevant. Luck is a part of anything. New artists don't get a number 1 album without a bit of luck do they consider this into their actions no.
Luck is a part of everyday life not just poker, you can't control luck so there isn't any point thinkin if I was lucky. You can do better with skill hence all the win in poker players who don't depend on luck.
Tournaments are usually long and the variance involved were higher when compared to cash game and sng.
Do you believe we need luck to win a tournament?