It mentions support from politicians who, I'm certain, would approve of Mexican cartel or Pinochet style actions against their enemies if they were unchecked (UvdL). So this doesn't seem to be more alarming that it actually is.
Also I don't want to invoke Godwin's law here, but the actual coming of original Hitler to power happened very fast. So if your argument is "EU can't undergo such a change so easily", then I suggest you find something better.