What if they aren't working there to survive? What if they are just teenagers living at home for some spending money? Or a retired person just trying to get out of the house?
Or someone working retail or service job in Singapore which has 0% unemployment? The answer, the most expensive worst service people in the world. The don't care about their job because there are 3 more waiting for them. There's also a huge social safety net there. It's not that there's no incentive to do well. It's perverse to say, but people sometimes don't care when you take away the floor.