Not all writers are journalists.
Those we know as journalists have editors, one-time or current peers, more experienced, who can tell them when they're running afoul of what good journalism is.
Those we know as bloggers have nothing more than their own judgement to guide them, which is why journalists grew editors.
Perhaps someday the two will merge, hopefully by bloggers stepping up, and not by journalists stepping down.
Kinda like in science, where you don't get to just throw up any old idea and call it science. You need to test it against replicable observations.
The 9th circuit was mostly making sure people could get press passes and there would not be an army of bloggers filing federal lawsuits.
Case in point? A million ideas about how flight 370 went down. Two weeks of egalitarian, drive-by speculation, and in the end, only one verifiable answer.