I think the point is that young people are more exploitable. That's not really a good thing for young people, but one can see why employers would want to exploi

I think the point is that young people are more exploitable. That's not really a good thing for young people, but one can see why employers would want to exploit them. This is why unions fought for 40 hour work weeks. Otherwise it's a race to the bottom in terms of who can overwork the most.