Can someone explain to me why this is not a defensive foul

The Only Miss that LeBron had in the game Should this have been called a foul

Cason Wallace gets called for a questionable defensive foul which is upheld on challenge leaving the Celtics commentators bewildered

Payton Pritchard gets called for the offensive foul after a veteran move by Gabe Vincent with a replay

SGA charges into Brunson knocking him over but the refs refuse to call a foul

Aaron Gordon is called for the foul and argues with the ref insisting it was a moving screen

Lowlight J-Will gets called for a rare defensive 3 second violation despite rubbing Randle's belly less than 3 seconds prior