Earlier quoted context omitted.
There is an increasing (and worrying) trend among liberals to call racist or misogynist anyone who doesn't demonstrate enthusiasm for the cause of the day. Concerns about being censored when accused of racism isn't exactly irrational paranoia. A recent example of what appears to be a moderate, democrat voting professor experiencing it: http://www.dailymail.co.uk/news/article-4546704/Professor-ca...
That's the Daily Mail, a newspaper that supported Hitler during the 1930s, and today is not accepted as a source in Wikipedia due to "the Daily Mail’s reputation for poor fact checking, sensationalism and flat-out fabrication" ¹. So you'll forgive me if I'm skeptical. Secondly there is nothing in that article about neo-Nazism, so I don't know why you brought it up? I'm talking about neo-Nazi sites, not general racism…
[1] https://www.ft.com/content/902581a0-99ff-11e7-b83c-9588e5148...
[2]https://www.nytimes.com/2017/08/04/education/edlife/internet...
[3] http://www.huffingtonpost.com/entry/student-protestors-and-t...