You have asked the question in a way that it can't be answered and any attempt to do so will wander into dangerous territory. If you have two groups...
Does any of that matter if it's just being used to squat as long as the knurling gets the job done until the OP gets their squat up enough to bend it...
I am a computer scientist by education. I work in information security. I lift weights for fun. I use SS because I don't have much tolerance for bullshit. I work with computers because I don't like people. Hopefully I don't piss too many people off.