From the story:  "Privacy is forbidden. They cannot leave their compounds without permission. They must take the few steps to the factories in pairs or groups, with North Korean minders ensuring no one strays. They have no access to telephones or email. And they are paid a fraction of their salaries, while the rest — as much as 70 percent — is taken by North Korea’s government."  Does that tell you the workers are doing in of their own free will?  You are really dense.