It's mocking Trump and MAGA's fantasy. For the workers it's providing them with work that is unpleasant, poorly paid and painful. For the factory owners it is ending up with staff that just aren't going to be productive.

As for toiling for a pittance: Trump is trying to devalue the dollar and erode workers rights in a race to the bottom. Apart from the fact that, as others here have pointed out, the endgame would be automation the intermediary stage is pushing those in precarity and poverty into jobs that don't benefit them in any meaningful way.

But the Chinese, being somewhat keener students of human nature, have distilled those arguments into thirty seconds of comedy gold.