Why not make the comparison with Dustin Martin who has settled down to be one of the top midfielder/forwards in the business despite coming from a long way back in the attitude dept. I would back our new development staff of McCartney etc to sort out any issues.
FFS the kid is 18 and full of testosterone. Give him a break.
We don't need any more introverted shrinking violets.
Love his attitude when he said pick me and I won't let you down.
Any rough edges can be smoothed over. Show me anyone who is the full package at that age.