Of course it doesn't, but we have seen heaps of draftees wither and die on the vine, including high end draft picks. But it definitely speaks to one aspect of what it means to become a very good footballer. You don't typically become elite at any sport without putting in the hard work, identifying and honing the skills required, giving your best. It speaks to character. And it has prepared him to be available physically in the first year that he will be on an afl list, despite the meme that talls take time to develop.There's lots of elite rowers that also play footy. Doesn't mean they're any good
His actual football skills cv, plus JimtheDocker's sons endorsement, has shown that he has plenty to offer. Keep working on that with the same commitment he showed to become an elite rower and he has the capacity to become an elite afl player.