This is literally what you are arguing, Jman:
Robert Baratheon in his prime was described as being 'built like a maiden's dream' and could wield his war hammer with one hand, while Ned Stark had to use two hands to lift it.
He's totes stronger than Gregor Clegane. Who cares that Gregor can cleave fully armored knights in half with one swing of his sword, or that he can crush people's heads/rip them clean off like they are f***ing Ken dolls.
But Robert can wield his war hammer with one f***ing hand. 🙄