This is an amazing article for anyone who subscribes to The Athletic.
https://theathletic.com/1667603/2020/03/11/finding-luka-doncic/
Don't have a subscription, but the premise here verges on absurdity. In contrast to guys like Dirk and Giannis, Luka was already internationally famous well before the draft. The Mavs didn't "discover" him any more than the Pelicans "discovered" Zion.