Answer:
So fake news could not be blamed just on bots, Roy's group concluded. Instead, people are the main culprits in retweeting fake news.
Explanation:
The difficulty in combating false news on social networks is a result of the excessive sharing that people make about this information. This is because these fake news are sensationalist and present escatalogical and unrealistic news, but that are part of the imagination of many people and address concepts of the popular imagination.
The sharing of people, becomes more difficult to control than the use of bots.
Because it is unexplianable
It seems as though the Author's purpose is to appeal to a reader's sense of positivity.
