There's no reason to believe that we'd be more efficient if we worked less. People working part-time don't become more efficient, they just work less. Which is

There's no reason to believe that we'd be more efficient if we worked less. People working part-time don't become more efficient, they just work less. Which is understandable, and that choice should be theirs to make -- if they accept that it has a direct impact on everything they get, and don't rely on others working more to compensate for them working less.