Even among people who value conservation there is a difference in opinion. For example, I don't mind interacting with wildlife, as long as I am not in a proper preserve. I don't mind baiting sharks in for photos, because I feel that the photos taken help me to evangelize about the "truth" about sharks to people who otherwise would just think that they are viscious eating machines who deserve to be fished out of the ocean.
Not sure what I am trying to say. While there is a clear difference between someone who lays on the reef -- whether voluntarily or involuntarily -- and someone who absolutely never touches anything, who is to say that using flash photography on something like a cephalopod doesn't count as harrassment? I feel guily when I take shots of animals at night, but that guilt doesn't stop me from doing so. (Having said that, it's not like I sit there and take 100 shots of a single animal. But I have been known to take 10.).
Anyway, just some ramblings.
Oh yeah. Just because someone voices publicly that they are really into not touching the reef doesn't mean that they follow their own rules. I've seen examples of that as well.