This also relates to my post two or three pages back.
Actually, I do think photography may be an art just as painting, and the people I paraphrazed just got something wrong. That is, just as drawing or painting may or may not be used as an art (if I make a sketch for you of how to find my house, this is not art), so may photography. I certainly see my own photographic efforts as efforts in expressing myself, communicating something which is inherent in the visual appearence I give to it (yes, which I give), and this, as far as I can see, is the artistic effort.
TheFlyingCamera, I liked your example of the Madonna of Loreto. This picture was painted long before photography was invented, and this makes a point: photography is simply used predominantly in these days for many purposes for which you had to paint before: protraits, documentation... I think photography and painting have much more in common than many people think, and I do think that, for instance, Paul Strand and Ansel Adams got this point theoretically all wrong.
As for Scruton, I may just as much appreciate bygone, homely, cosy scenes in a painting as in a photograph, I may appreciate photographic styles just as much as styles in painting.
As for the supposed automatism in the photographic act, this depends entirely on the intention of the photographer, and it depends on me how focussed my intention is.
Barthes' book is very famous, quoted very often, but I have a lot of issues with it. For a start, I certainly don't think it was chemistry which invented photography, or only in a trivial sense. The drive was a way of seeing the world. I also found that I simply look at photographic images in a very different way than Barthes describes for himself.