I recommend against a wooden squat rack, for much the same reason that I recommend against a wooden car.
Poor form in the gym is caused by insufficient yelling.
But then again, those who argue against squatting and deadlifting on the same day may just be pussies.
The Olympic Snatch is gymnastics with a bar
The spine is best at bearing a load in an arch
You can't make people smarter. You can expose them to information, but your responsibility stops there.