Lets first decide what is the meaning(conclusion) of so many that have winning records in 3a 4a. What I'm getting at is the "strength of schedule"in 3a 4a. How can you conclude that 3a 4a are better wrestlers if nearly everyone has a good record? Logically one could conclude that 3a 4a are worse because of the "weakness of schedule".
Back in the day when I wrestled they only took mugshots of the contestants