Matthew Yohe at en.wikipedia, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons
For all of the history of journalism (and it isn’t really that long a history), there have been two barriers to entry:
The first was the complexity and cost of producing the product. As AJ Liebling wrote in 1961, “freedom of the press is limited to those who own a press.” And owning a newspaper, or starting one was expensive. So if you wanted to be a print journalist, it meant working for The New York Times or the Wall Street Journal or The Washington Post. You got a job, got paid a salary, and were free to report, write, and have your work published, all at no expense to you.