I can see why you would think the bolded looking at the stats, but it's actually not true apparently.
252+ Atk Thick Club Marowak-Alola Shadow Bone vs. 252 HP / 252+ Def Uxie: 264-312 (74.5 - 88.1%) -- guaranteed 2HKO after Leftovers recovery
252+ Atk Thick Club Marowak-Alola Shadow Bone vs...