Normalizing this behavior is the short term goal, the longer term goal is returning to indentured servitude.
And basically it's a prerequisite someone who wants to be both a billionaire and a member of the local Communist Party.
I've worked 12 hour shifts. By the time you eat, shower and commute you have no free time at all. It's horrible.
Though it also switched between days and nights, so you'd end up spending your last day adjusting yourself to the upcoming "time switch", which further worsened it. The company had all kinds of research indicating that it was great for morale and productivity and such, and they had a strong union that didn't seem to hate it, but I always had a hard time adapting.
I can't imagine doing it for 6 days straight.
He says if you love what you do then you enjoy the hours.