By Tamryn Spruill By now, gymnast Simone Biles has received enough praise and condemnation over her withdrawal from USA Olympic Team events in Tokyo to last a lifetime. In human history, there is no stage for athletic competition greater than the Olympic Games, and Biles defied norms by bowing out, to protect her health and safety and to give her teammates a chance to win medals. Naysayers, however, call her a quitter, or say she cost other gymnasts a shot at their dreams (because gymnasts who did not qualify in the preliminary rounds are not permitted to fill in for someone who did). But in Biles’ line of work, in contrast to basketball, beach volleyball, ping pong and myriad other events, anything other than piercing focus and peak health can be a matter of life and death, or life and lifelong health challenges. Even bigger, Biles entered these Games as the lone active Olympic gymnast who survived Larry Nassar, the disgraced physician employed by USA Gymnastics who was sentenced to...