Lol even Joe Borgia is throwing his hands up trying to explain the refs' decisions. I don't understand how you can be that bad at your job, even with replay capability!!
Smart did shift slightly before the hit. Also keep in mind there has too be clear reason to overturn a call, so those two things combine make that a tough one to overturn.
Also Giannis is not good shooter, why try to take a charge at all against a guy running full speed who just air balled two free throws? There's no upside to that play.