I had faint hopes that this was satire--because, really, who actually burdens his colleagues with an eighteen-page email , or submits for publication an essay in which the sum total of the complaint is that two people dared to say that they were offended  (not that they reported him to HR, or anything like that--they just emailed the listserv) by a boring sexual cliche--but, after reading some of his scholarly work, I'd say not. In the interests of conciseness, I'll just leave this useful advice here, which in its original context is part of a critique of NCTE's "Students' Right to Their Own Language":
"Anyone can claim the 'right' to speak or write any way he pleases, but nothing in that assertion inhibits anyone else from judging the language unfit for the occasion."
--Jeffrey Zorn, "Students' Right to Their Own Language: A Counter-Argument," Academic Questions 23 (2010): 315.
 Let's hope that's hyperbole. Otherwise, IT will probably remove all the keys from his keyboard.
 I mean, really, I'd take that as a compliment: those two people actually read the email.