> This is clearly the much more pernicious issue that 1. social media companies are massively influencing the dissemination of information on an ad hoc basis informed by personal political whims

Of course mainstream TV and print "news" has been doing this for decades, but for some strange reason people assume they're somehow "better".

I personally think it's great all this is coming out, because it shows how dangerous and manipulative large media (in all forms) really is.