I think that people who played Duke3d remember one of two things: badass non-stop action and a lack of bubblegum, or fantastically misogynistic humor. He clearly falls into the former category. However, even with this I fail to see how he can think it's that far off Duke3d in its humor. It was always toilet humor, we're all just older now...
I am currently playing Duke3D and no, it is not a game reduced to that. It has varied explorative(!) levels with humor tacked on, eg a poster here, a monster on the toilet there, a vocal sample by Duke later. There were strippers in the first map but not anymore so far (5th map now).
This is it. I think people don't realize they've grown up and what they found funny when playing DN as a child is simply not funny anymore. After all kids are easily amused.
That and the fact that the racy humor was more of a novelty in 1996, when most FPS were in the Doom sci-fi vein of 'stoic hero shoots his way through alien/monster/etc wasteland'. Ten GTA games later, nothing really shocks us anymore.
