They said GWF tested well, which just means people didn't hate the weapon styles. Or that the majority didn't have a strong feeling. This is a discussion between minorities in the community. Really, most big problematic discussions about alignment or DoaM or spellcasting fighters likely only matters to two minorities of the player base while the majority just wants to play.
Sounds more like the math worked which it does. Mathematically DoAm works, it's just in all other areas where it fails.