A management letter is not a report card on character. It is a record of observations that affected, or could affect, the reliability of the accounts. Ranking usually reflects risk to financial statement accuracy, not personal criticism of the preparer.
Start by separating items that require journal adjustments from those that suggest control design changes. Adjustment items belong in the closing package for the current year. Design items belong on a calendar that stretches into the next cycle.
Boards respond better to short action owners and dates than to long explanations. Pair each observation with a single owner in finance or operations, a target month, and a note on whether external help is needed.
If an observation feels unfair, ask for the sample evidence behind it. Good audit teams will show the voucher or reconciliation that triggered the note. Clarifying facts is healthier than arguing tone.