They shouldn't ascend legendaries because the ones from activities such as VoG were borderline overpowered. If people were just gonna keep doing VoG once they figure out if the New Raids stuff isn't as good, then all of bungie's work on the DLC will be ruined. Nobody has praised more than one weapon from either PoE or CE, while all but one of the weapons (Atheon's epilogue) in VoG are praised