Above question.

I’m not answering for him, but I’ve had the same results. Usually when someone seeks me out for scales, they are having some sort of issue.
I’m not just weighing their car, I’m decoding the chassis. Weight = traction. If there is say, 250lbs more weight on one rear tire than the other, the car will want to turn or slide sideways with some tire slip. Scales tell you where to look for problems, and confirm fixes for them.
After using them you can predict how the car wil act when selecting I/C locations, or solve most issues causing the car to do something other than going straight. Even braking issues can be solved on the scales...