You say 10 VFL games in like its nothing.
That's half a season....
He only played that many last year!
Exactly. By the end of this season he will essentially be a year's development behind his peers already. With an average career length just over 3 seasons, there will be significant pressure on his 2021 to show significant development.
Lucky Hawthorn are prepared to wait for their draftees to grow up (especially for talls) - many clubs would be inching his name towards the delist pile if he isn't performing by end of next year.