Management will make a compelling case to the NC that *they* are not entirely responsible for inflation.
They will also make a case that retro should not include the darkest days of covid. AS TA proposed retro only goes back to Oct 2021, skipping Apr 2020 - Sep 2021 for that reason.
Let your peeps know how you feel now, if you feel strongly about it and don't want to be surprised by the TA.