"What discipline is completely without use for reading skill, or for the kind of secondary school mathematics that appears on the GRE quantitative section?"
The GRE doesn't measure reading skill, that's what the NALS is for. The GRE verbal is just a test of how many wank words you've memorized. Same goes for the math test.
"The GRE verbal is just a test of how many wank words you've memorized."
Evidence for this? (By which I mean, do you have any evidence that the GRE verbal section has failed validation studies to which it has been subjected by graduate schools?)
The GRE doesn't measure reading skill, that's what the NALS is for. The GRE verbal is just a test of how many wank words you've memorized. Same goes for the math test.