How comes this is a foul on Klay but constant off ball holds by Lowry, Green, and FVV is not

Quick Lonzo Ball airball in practice

Jalen Green hits the tough 3 to put the Rockets up by 6

Klay with the heat check to give him 27 at the half!

Lowry with the heads up play calling timeout immediately avoiding the jump ball with 2.2 seconds left