Come on now...Exum can't be called even a good pick yet. If anything he is closer to bust than to a great pick. ESPN's Chard Ford and Kevin Pelton think that way too:
Utah Jazz
Best: Deron Williams, No. 3, 2005 (KP)/Gordon Hayward, No. 9, 2010 (CF)
Worst: Dante Exum, No. 5, 2014 (KP)/Trey Burke, No. 9, 2013 (CF)
While they haven't made many lottery picks (nine in 33 years), the Jazz's track record is surprisingly checkered after All-Stars Hayward and Williams -- partially because Hall of Famers Malone and John Stockton were both taken outside the lottery. (Kevin concluded recently that Malone is the greatest non-lottery pick since 1985.)
Utah gave up two first-round picks to move up for Burke, who fell out of the Wizards' rotation this season. Exum still has plenty of time to move out of this spot, particularly because he lost a season to a knee injury, but so far Marcus Smart and Elfrid Payton have been far more productive.
https://www.espn.com/nba/story/_/page/nbarank-19393608/every-team-best-worst-lottery-picks
Gobert obviously was his best pick as Jazz GM so far, no doubt about that, but I think you missing that green is talking about lottery picks. Gobert was not a lottery pick.