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It's true that luck affects all of us and should therefore not play a too big of a role in our decision making. But
this implies that we are playing a lot of hands in poker regularly to get the randomness (positive and negative luck) out of our strategy.That's right, the more games you play, the lesser role luck plays in your performance. Some professional poker players practicing sitting at several tables at once to eliminate the luck factor as much as possible.
For someone who only plays maybe one night per month poker the aspect of luck is completely different. If we meet a recreational poker player who goes allin preflop with his 22 for example, only to hit another 2 on the river, we will lose a big pot.
Actually, it depends on the situation. If you are playing heads-up, 22 is a great pocket hand, and you are likely to win the pot with it, especially when you are the first who goes all-in and your opponent just folds preflop. However, with 8-9 players at the table it's obviously not that great of a hand, and it's better to fold preflop with such pocket cards.