The truth is, "What is a journalist?" is one of those questions for which there is no proper answer. The prehistory of modern journalism shows it has been a ragged and confusing trade all the way through.
There is much to be said in favor of modern journalism. By giving us the opinions of the uneducated, it keeps us in touch with the ignorance of the community. By carefully chronicling the current events of contemporary life, it shows us of what very little importance such events really are. By invariably discussing the unnecessary, it makes us understand what things are requisite for culture, and what are not.
Many of the most important stories in the history of modern journalism have come from sources who have taken information without authorization.
As for modern journalism, it is not my business to defend it. It justifies its own existence by the great Darwinian principle of the survival of the vulgarest.
I am a journalist and, under the modern journalist's code of Olympian objectivity (and total purity of motive), I am absolved of responsibility. We journalists don't have to step on roaches. All we have to do is turn on the kitchen light and watch the critters scurry.
With the possible exception of things like box scores, race results, and stock market tabulations, there is no such thing as Objective Journalism. The phrase itself is a pompous contradiction in terms.
Henry Blodget does occasionally have a new idea. If you're making a point about aggregation or the emptiness of modern journalism, he's far from the best target. Try Huffpo - or Gawker writers whose souls have been corroded by irony.