It would have been more accurately if I had included psychological unrealistic body imagery. Others in this thread have suggested that the manipulation is to make people look fit, but there are regular articles that describe those clicks of the mouse resulting in physiologically extreme, if not impossible body proportions.

This observation distracts from the fact that that nutrition and body science is young. Hypothesizes that have experimental support come from the last 130 years, but even then most of popular theories of the last decades have contradictory evidence.

What I do like about your observation is that it brings to my mind that although there has always been artistic license in previous centuries, for the most part the images were attempting to accurately represent the specific persons show.