I'm puzzled by this response to my comment about the cheapness of grad student labor. Grad students are doing work that would otherwise have to be performed by

I'm puzzled by this response to my comment about the cheapness of grad student labor. Grad students are doing work that would otherwise have to be performed by full professors, who are vastly, vastly more expensive than grad students. So in my opinion, to blame undergraduate tuition on graduate students just seems... bizarre?