It is true that fake news spreads faster.
This is because fake news is usally targeted at people pre-disposed to believe it. It is written/graphics that are very easy and quick to take in and reinforce what you "know". Therefore the targets accept it gladly and pass it around their group and friend as more proof that they are right. Some politicians* Tweets and one liners are a good example of this. They know their followers. When some one looks at it critically and spots the errors the followers say: "they would say that wouldn't they? They are they are brainwashed by [the other side]" that is something very difficult to counter.
*Actually a LOT of politicians not just the obvious one(s)
A similar sort of technique is used to sow discontent with a reliable source. eg the BBC. Cambridge Analytical are good at this too. Though the example in The Hack was in Africa where credibility in an election and the process was used to stop people (from one demographic) voting. There were suggestions about Brexit but there was not direct evidence presented that they had done the same to the BBC.
But we are getting way of topic here and it is difficult to discuss the techniques, especiually with any examples without it getting "political"
For Drones the news papers need to sell copies so the more exciting /dangerous the better, the more revelations the better. So they are always looking for a sensational angle.