"Squid Game," a critique of social and economic inequality as well as widespread mistreatment of the disadvantaged, returns with a new season and a new theme: do individuals have power to change the world? "When Season 1 came out, many journalists asked why it became so popular, and I replied, ‘Maybe it’s because life has become as difficult as the world in 'Squid Game,''" said Hwang Dong-hyuk, director of the first and second seasons of "Squid