Blackjack soft 18 decisions: why do basic strategy guides disagree on this
Even outside blackjack, you see this effect. In roulette, the tiny edge from single zero vs double zero barely matters in a session unless you’re maxing out your bets or chasing comp points. But casinos bank on players overestimating the impact of small odds shifts, which sells more strategy guides. At the table, the difference is usually lost in the noise of normal bankroll swings.