I'm not sure what your point is. As the situation of the person asking the original question demonstrates, sometimes a salaried position will both pay less and

I'm not sure what your point is. As the situation of the person asking the original question demonstrates, sometimes a salaried position will both pay less and take up more of one's time than an hourly one. So of course people will prefer the hourly position in those cases, that's basic economics. The point of the article is that one shouldn't accept a salaried position just because it's nominally a promotion.