I'm very skeptical about his ball skills because it didn't show up in the major games against better competition. Look at the u-19 games.
He actually looks very similar to Marvin Bagley here. Averaged a double double and was by far the best rebounder in U19 that year.
https://www.si.com/college-basketba...ld-championship-usa-jalen-brunson-harry-giles
Excerpt on Giles:
Harry Giles could be a college star now, but we'll have to wait another year
One NBA scout called Giles, a 6'10" high-school senior out of Winston-Salem, N.C., the "most exciting young prospect in this tournament," and I think nearly all scouts and media present were in agreement. Giles has to be considered the frontrunner to become the No. 1 pick in the 2017 NBA Draft. His offense is still progressing—he's refining his jump shot and needs to develop an arsenal of post moves—but he has an otherworldly combination of athleticism (especially with his quick second jump), versatile playmaking skills and motor.
Giles was third in the tournament in points per 40 minutes (26.4), second in offensive board percentage (17.1%) and first defensive rebounding percentage (28.7%). He was a defensive game-changer, protecting the rim, dominating the glass, switching onto guards against Euro ballscreen-heavy offenses, and challenging shots on the perimeter. That Giles did this against 18- and 19-year-olds at just 17, Miller said, "is just astonishing."
That Giles was by far the most athletic big man in the tournament, despite having torn his ACL, MCL and meniscus in his left knee in FIBA competition in the summer of 2013, and only stopped playing in a knee brace three months ago, was even more astonishing.