Because of the wider context here, which can't be ignored.
The Most Dangerous National Security Threat That Donald Trump Is Ignoring
http://fortune.com/2017/02/13/donal...y-cve-right-wing-extremism-terrorism-germany/
Another Donald Trump Failure: Not Calling White Supremacy 'Terrorism'
http://time.com/4671901/donald-trump-extremism-terrorism-muslims/
Sorry Tibs. I don't see it. Sounds like they are trying to create a bogeyman that isn't there, at least to the scale they claim.
However, the far more dangerous idealogy is the anti-free speech movement on college campuses, brought on by the far left wingnuts. When liberal commentators such as Bill Maher and Sam Harris ring the alarm bell, you know it has reached a dangerous level.