Pretty thin D.O.G. - not sure it's worthy of stopping the game.
As for the FF1 - are you kidding?
The shooter does nothing except make a legitimate drive to the basket.
All contact is created by Kaufusi with an aggressive forward motion, with his arms piked, and no intention whatsoever on making a basketball play. To boot - there
IS head contact because Kaufusi's piked arm is the first piece of his body that comes into contact with Olynyk's head. Observe:
Olynyk is completely vertical at the moment of contact. Kaufusi shifted into him aggressively, traveling about three feet horizontally in the process. Then he basically makes a body-slam movement with both arms. This is not a basketball play.
While the post-contact taunting is not grounds technically for a FF, it is certainly common-sense evidence that the defender's actions were not routine.
Bottom line - I can't believe an observer in the stands with a clipboard would criticize the official on the play for calling a "softie" flagrant 1 foul.