The G league is filled with prototype NBA bodies. Player body types are secondary in the scouting process.
From the average Celtics draft position in the mid-late 1st it’s a crap shoot, Danny seems to prefer physically strong, high BBIQ bigs, and if they tend to have large backsides so be it.
Jokic, Embiid, Randle, and plenty of other bigs with wide frames that are successful in the league