and are instead still questioning the findings of others
We
always question the findings, whether ours or from others.
Healthy thing to do, especially when the data provided is incomplete.
likely not a case of a simple calculation error, as i tried to make clear.
Nope. You did not make that clear. If you want to make that clear, please provide a simple measurement report/data everybody can check...
No doubt many chinese wires are out of spec.
No doubt also you made some inacuracies in your measurements.