The kind of people who would be driven away by that are usually not the conservative type. Conservatives tend to honor someone else’s work. So it probably wouldn’t be that big a loss to the forum. Besides, how can you or anyone discuss the merits of an article unless they read it?
Nobody is suggesting that you post full Breitbart stories. The idea is that without some introductory explanation, Freepers don’t know whether the story or video is of sufficient interest to them to fight the popups and assorted screen and advertisement crap that a site like Breitbart throws at you.