Not surprising. They earned it every year so far - and then were downgraded for the 2020 MY when LED headlights became mandatory to get the rating. Ascents with LED headlights have always been number 1 in the segment, since day 1. As of 2021 MY, all Ascents have LED headlights.
I remember seeing this or some sort of news snippet prior to my order of my '21 Ascent. It was one of the factors influencing my decision to purchase an Ascent as the Ascent will be our main family hauler.