Personally, if I had to point at one single thing it would be calling millions of traditional democratic voters a "basket of deplorables".
In the end, Assange is just a scapegoat. Although, he wouldn't be the first or the last. When WikiLeaks was being used to disclose information about other countries, US citizens and even the Government saw them as a positive force in the world. But, once the info focused on US affairs, especially around a Presidential election, Assange was public enemy number one (tied with Snowden).
[Citation needed]