If you're reporting on something and you feel the need "to make a persuasive argument", you've already crossed the line between journalism and manipulation/prop

If you're reporting on something and you feel the need "to make a persuasive argument", you've already crossed the line between journalism and manipulation/propaganda. A writer either report the facts and lets the audience arrive at their conclusions, or pushes his agenda in an attempt to stop the audience to arrive at their own conclusions.