I like to paint and put effort, when painting, into creating the illusion of "depth" by muting background colours and detail. Strangely then I find myself doing the opposite when processing photographs and trying to cut through some background haze
I do sometimes find it useful when processing a landscape to step back and think how would I paint the scene which affects how I process the contrast and colour in foreground/background.
The point you make about looking at how others create and process an image, and learning from it, is what makes a forum and thread like this so valuable.
Dave