This is covered in the discussion in different ways and from different angles, but okay, let's define "perfect" for the discussion then: A picture representing the actual conditions of the situation in the most realistic and technically optimal way possible.
OK but is it what you are looking for in a picture? Is the "most realistic and technically optimal way possible" the ultimate goal in photography? To me , you make a confusion between the mean and the goal (or between significans and signification if you prefer).
"The problem with photography is that it only deals with appearances." Duane Michals
"A photograph is a secret of a secret. The more it tells you the less you know." Diane Arbus