Gee, I think it is way too soon to make an assessment on Cox.
Speed and skills are not up to AFL level and still has a lot to learn about the game before I would think about promoting him.
Because he's super big, he gets a closer look in. That height of almost 7 feet in the old carries him a long way. The rest he'll have to go and earn.
That's one area where giants gave a super advantage, their height gives them a leg up for ruck work. It's not everything but it's one great advantage.
Conversely jockeys require lots of great skill, abilities before they are even considered for footy at the elite level.
People may remember one of our juniors about twenty years ago, Fabian Careli, gee he was small but a real talent. Height probably knocked him out of consideration. That's how it goes