Henceforth demagogues are going to have an easier time of it because we live in an era of subjective truth. Whatever you believe will have you find your kindred spirits out there in cyberspace.
This is what allowed Donald Trump to win the presidential election and will embolden the more subversive elements of society to think his victory represents approval of their ideas. Immediately following the election there was reporting of random acts of violence against muslims.
We are entering dangerous territory here and it’s driving a bigger wedge between progressives and regressives (read GOP here or other right leaning party). You don't believe in climate change? Don't worry you will find a pseudoscientist willing to endorse your position.
In the early to middle part of the with century we suffered from the lack of free propagation of information which allowed people like Mussolini or Hitler to control the masses by feeding and withholding in order to advance their agenda. Today it is too much false and misleading information that holds us captive.
I hate to sound elitist but a huge segment of the world population is under educated and more prone to be led by the nose than free thinkers. This is why when despots take power they typically jail or dispose of the intellectuals who are more prone to lead dissent. The world needs to develop strong and independent grass roots media to combat this trend. No place more important than the United States where the big outlets are owned by special interests.
Speaking of intellectuals, here is Noam Chomsky on Trump and protectionist hysteria...