A good parallel to this is the music industry, actually: yes, there is a significant amount of luck in “making it.” But you cannot deny that talent is one of the strongest predictors: at the very least, talent is the bar to entry.
EDIT: spelling
Also, you have a couch, and get to sit on it, that's a lucky thing to do.
To be lazy is an indulgence that not all unlucky people have.
Edit: I don't know who downvoted me, but this is the definition of luck according to Google: "success or failure apparently brought by chance rather than through one's own actions"
It’s like playing blackjack. Ultimately, it all comes down to luck, but you are significantly increasing your chances of winning by employing certain (legitimate) strategies rather than playing your hand randomly and hoping for luck to hit you.
Otherwise by definition it is not luck, but a high chance of winning.