Is this even addressing the root cause of 2016 misinformation campaigning? I was assuming most misinformation was distributed as user-generated content, not ad

Is this even addressing the root cause of 2016 misinformation campaigning? I was assuming most misinformation was distributed as user-generated content, not ads. How much was Spotify exploited as a media platform for campaign misinformation? Its cute that Spotify is doing this, but I think Facebook + Twitter were the big distribution channels (and probably Reddit is closest to the “astroturf core”). Edit: grammar