A response in the Pew article I posted above is germane, it illustrates why the problem will get worse, long before, it gets better, assuming it will. The reason is simple, disinformation/fake news works.

Laurent Schpbach, a neuropsychologist at University Hospital in Zurich, focused his entire response about negative tone online on burgeoning acts of economic and political manipulation, writing, The reason it will probably get worse is that companies and governments are starting to realise that they can influence peoples opinions that way. And these entities sure know how to circumvent any protection in place. Russian troll armies are a good example of something that will become more and more common in the future.