Ludwig Von Mises and the "I hate kids" theory of child labor

Yesterday I wrote a post about neoliberalism as a niche marketing strategy in which Ludwig von Mises was the public intellectual positioned to appeal to your fascist granddad. He made Ayn Rand cry in public, he served on the editorial board of the John Birch Society magazine, and he stormed out of rooms of his fellow fascists denouncing Milton Friedman as a closet Bolshevik. 

And as I just discovered in a 1910 Congressional hearing on child labor practices throughout Europe, Mises was not only a staunch promoter of child labor, he was a promoter of the un-PC case for child labor. See, there was a standard "good for the economy" consensusphere argument for putting kids to work on assembly lines, but Mises wrote an article essentially making the case that children should be forced to work in factories because he hated them: