Some people are close-minded and hate for the sake of it instead of contributing (or not).I found that front squats were a very effective way to increase the back squat of those lifters that squat with a narrow stance, such as those who may compete raw. In my experience, front squats with heavy weights stress the core more (assisting in staying upright) and target the quads to a greater extent (at the expense perhaps of the glutes and hips - just a guess?). Like I said in the OP, this routine is geared toward those who follow the same style as I do (narrow squat / conventional dead) - "If you are a sumo deadlifter or squat with a very wide stance, you may want to replace front squats with box squats. Other than that, I’m not sure I’m the best person to advise you." I also believe that front squats incorporating high reps are a better mass builder for the quads, perhaps for those looking to jump a division or fill out (as this is a powerbuilding routine).