Comment by kqr

Yes, people's brains selectively modify contrast, saturation, detail, framing, and just about every parameter there is.

When it comes to visual experiences, it is meaningless to talk about "honesty" because they are so subjective. That's one of the greatest joys of looking at other photographers' interpretations of familiar subjects: they see things so differently.

Restrictions on processing make sense, but they are not easy rules, because they depend on the purpose of the image. I suspect the most restricted are people in news -- they operate on similar principles as those who write the articles. In other words, there are no forbidden technical procedures, but the end product must effectively convey a real-world event (from some perspective -- news is always biased.)