OC Westbrook's "improved" defense is really just over-aggressively going for steals. Often times, a better defensive positioning or cutting off drive is better suited than going for steals, as shown in today game vs Rockets.

Lebron's 2020 playoff defensive chops

Westbrook Post game interview vs Wizards Espn 2018.02.11

Mav Carter says Steph cant play defense and couldnt guard him as Draymond says nothing

Russell Westbrook awarded 2 points for his bad pass as Al Jefferson flicks the ball into his own basket.