https://www.businessinsider.com/form...DBumVVIO8_I3Xg

While this has a trump slant and is myopic, bear in mind that foreign influence is inserting itself - on both sides - wherever there's a divisive crack that can be exploited. Much of the intolerance each side feels for each other is more product of this manipulation than reality. This is a long running campaign by multiple foreign nations; spanning back at least three decades, but with significant increases in $ and effort in the last few years as it's finally seen great success.