Stepping backwards to push off your back foot. Good or bad move in your opinion

Why does brunson extend his foot so far out here is that his natural shooting motion

Wemby with an interesting move towards OG Anunobys leg

SGA attacks Wemby and hits the stepback

Chet gestures at Wemby's foot then steps on it to prevent him from getting an offensive rebound during a free throw

Imam Shumpert Says James Harden Changed The Game of Basketball With His Step Back

An alternate angle of Wemby's kick with the game timer Doesn't look as intentional as from the other angle first posted