I think the entire argument that HDR is not real photography is a result of photographers sticking to traditional methodology. Lots of people dont like it simply because they dont know how to do it, I'm not saying everyone is like this but I bet a few are.
Photography is an art. Many painters add linseed oil to their painting resulting in a more vibrant outcome with better saturation of color; it's still a painting. Many people take photos and adjust the contrast in post processing; it's still a photo. A flower can be pink, red, orange, black, big, small, nice, or ugly but no matter what, it's still a flower.
It takes skill to take a good photo to serve as a foundation for an HDR image, you need to see it in HDR before you take the shot.