In this case, yes, I think it would accomplish the same thing. There's no right or wrong cue for Collegio to be using as long as it produces the desired result. Different cues work better for different folks sometimes.
Steve Collegio: how upright you are depends, too great extent, on your individual anthropometry. But by definition, the high-bar squat will not have you leaning forward as much as the low-bar version. What Ras said is what you should be thinking: sit straight down getting the knees out early and aim to put your hips down right between your thighs.