Specialty grains, like crystal, have been roasted to the point there are no conversion enzymes present. If you had some 2-row, pilsner or other base malt in the mix, you would have seen a higher OG.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk