FWIW, here's a defense (http://amanuensis1.livejournal.com/216180.html) of the author by amanuensis1:

Ron Miller writes clever plot, rich prose with a good deal of self-mocking tongue-in-cheek, and there are two sex scenes in the middle book that he deliberately writes in an over-the-top, overly purple, substance-altered haze of text. If you take these scenes out of context, they have the potential to sound ridiculous. (emphasis mine)

I’m not familiar with the writer’s other work so I can’t vouch for this claim, but I thought some people might be relieved by the possibility that it’s deliberate badfic.