Why are educated voters less likely to support Trump than non-educated?

[Bismarck]

Trump's rhetoric and way of speaking targeted blue collar whites and they gravitated to him in response. Once this happened the media started talking ad naseum about how Trump was the candidate of working class whites without degrees. This made many voters with college degrees, who already weren't as attracted to Trump initially because of his focus on the concerns of blue collar Americans, turn away from him because they didn't feel part of the group identity that the media (and Trump) made the Trump campaign out to be. In short, if you're bombarded every day with news telling you that to support Trump means you're a racist hick, you're going to turn away from that unless you feel that other concerns take precedence.