Clinton dropping the ball, Comey etc. are events I can live with even if I didn't like the result. But a foreign adversary exploiting network effects to manipulate online discourse and propagate misinformation on a large scale – the influence that had will always be an unsettling "what if" in my mind.
There is so much noise online that I really doubt this made any difference
The Hungarian government is also using ads to brainwash people very effectively here. You can't watch a YouTube video without seeing some kind of propaganda.
https://fivethirtyeight.com/features/the-real-story-of-2016/
> the regression … can explain the Electoral College drop-off Clinton experienced relative to Obama based on some simple demographic variables and the 2012 vote alone.