Hacker News Reader

If I recall, the bulk of those stories occurred during Obama's first campaign. At that time social media was still in its infancy (Twitter, I believe, was only about a year old) and was a new phenomenon.

Most of the stories about social media are focused on the fact that it was non-US entities putting pro Trump posts up.

There's a difference inciting violence and hatred versus party propaganda.

Social media has dramatically wider penetration, Facebook's algorithms are vastly different, and the malicious actors have figured out what works well. It shouldn't be a shock that the coverage has changed as a result.