You reach, I teach on the playgrounds...
That's a foul in the NBA all day long
You don't play defense or assume a defensive position with your hands outstretched in front of you...
Reaching and teaching is referred to when trying to steal the ball.
Kawhi could be in the position below and not move. Lebron has no intention on shooting the ball.
But he sees Kawhi’s left arm, throws his arms under his and attempt to shoot so that he can draw a foul. That’s not a real foul.