"Yeah i mean if he had not reset it, it would just have synced at 22mbps with an SNR of 14dB, no?"
If he/she had not reset the DSLAM port, then regardless of any improvements made ...... you would have remained on the previous DLM profile (whatever that may have been).
As engineers, we are categorically told not to perform a reset of the port, unless a fault has been found and repaired.