In response to #2, there is also a reason that photojournalism exists--unless you believe in a world where everyone imagines what important figures and historic events look like based solely on textual descriptions. This is completely ignoring the fact that I, nor most of society, would never attempt to receive the day's news via Morse Code.
Hint: TCP/IP & UTF-8 are fundamentally along the same principles as APRS. So yes, really you are.
As far as photojournalism goes, I can think of thousands of reasons why the predominance of photojournalism has been pernicious to civil society. The strategic use of the identifiable victim effect in atrocity propaganda being the most obvious.
However, with that said, I'm not arguing that visual media is entirely unnecessary, but rather against the idea that every user needs to download a 1680x1050 image when a default 600px width image or even the horror of having the image as an external link would be more than adequate for the overwhelming majority of users, particularly those in rural and developing areas that can't afford to waste their total allotment of monthly mobile data on "What Chance the Rapper’s Purchase of Chicagoist Means".
