If 73% of Computer Science professors were gay, maybe you'd have a leg to stand on: http://www.insidehighered.com/news/2010/09/14/doctorates [1]

[1] Yes, to be pedantic, this is not the percentage of male computer science professors, but instead the percentage of CS Ph.D. recipients in 08-09. It still does a bang-up job of indicating a discrepancy.