Anyone can negatively criticize - it is the cheapest of all comment because it requires not a modicum of the effort that suggestion requires.
A journalist is supposed to present an unbiased portrait of an event, a view devoid of intimate emotions. This is impossible, of course. The framing of an image, by its very composition, represents a choice. The photographer chooses what to show and what to exclude.
I'm a great believer that any tool that enhances communication has profound effects in terms of how people can learn from each other, and how they can achieve the kind of freedoms that they're interested in.