Comment by saghm

I don't disagree that people work with different amounts of efforts, but if anything, to me it seems far more likely that people who have to work only because they won't be able to survive otherwise are going to be more stressed and less likely to be able to work productively. If the only people who work are the ones who choose to rather than an additional set who are forced to in order to survive, the average motivation level is going to be higher, and it's not obvious to me that this wouldn't be better even if the total number of workers is lower. This just seems like another balancing problem, and there's still no obvious reason to me why the default assumption is that maximizing the number of people who work will end up being the best option.