Read the part you bolded again. You’ll notice I stipulate that “the ball behind the 1, in the second row ON THE OPPOSITE SIDE that you break from is the second most likely ball to go after the wing ball”.
You’re correct in that those offering a spot ball like to rack it behind the 1, “BUT ON THE SAME SIDE YOU’RE BREAKING FROM”. That is one of the least likely balls to go, it generally drifts to the side in between where the rack is and the side rail unless it’s kicked.
There’s an entire section on this, likely paths of balls out of the rack, in Jack Koehler’s book Upscale 9 ball.
Or if like myself, you don’t get bored spending hours and hours racking and breaking balls from different positions with different speeds and spins and logging and analyzing your results as I did as a young man. If you like to gamble, the break is such a large part of 9 ball that I needed to spend time not only working on it, but analyzing the results looking for consistencies and regular results and patterns for an edge.