If you're a political reporter and, OFF THE RECORD, a senator says, "I fucking hate Donald Trump, the man should be tried for treason," and then 3 weeks later appears with Trump at a rally that you're covering and says, "I LOVE DONALD TRUMP HE IS AMERICA'S GREATEST PATRIOT," and then you print that quote without any other context, how exactly are you informing readers?
My little example is just an example to make a broader point. It's all like that.