The funny thing is the author thinks having an 81% success rate of predicting which image out of a pair of images is of a gay person, is not as hard as predicti

The funny thing is the author thinks having an 81% success rate of predicting which image out of a pair of images is of a gay person, is not as hard as predicting with 81% accuracy whether any given individual is gay or straight. Meaning the author really doesn't understand the concept of unbalanced classes