A Note Before Reading: I realize this isn't a topic to take lightly, but I'm interested in hearing other people's viewpoints on the subject. Historically they're a major part of the medium, and so I feel they're worthy of some discussion.
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I'm not a fan of H-Scenes. I love VNs too much to give them up, but when *those* scenes come up I generally click through at high speeds, looking away kind of awkwardly. (Now, I realize that there are two types of H-Scenes: ones intended to be "tasteful", and others in games which are blatantly sex-oriented. All of my comments are directed to the former, as the latter are... well... they are what they are.)
Is it because I'm "afraid" of sex or sensuality? No way. I'm happily married and therefore have a healthy context to this stuff. Rather, I feel like H-scenes cheapen the VN experience. I understand that these scenes can represent a culmination of romance between two characters, but I don't understand why they have to be so graphic.
I feel like these scenes are included in VNs for the same reason they're included in most AAA movies: the obligate sex-appeal to be used for advertising.
That's the short version of my opinion, more or less. I'm interested in hearing what others think. Again, I realize this isn't the easiest topic to discuss, but I'm interested in sounding out.