"Once your argument is shot down in flames, rely on berating the opposition!"
The problem with that Nigel is the worst offender(s) offer no argument other than their original opinion which they refuse to discuss in terms other thna contempt for those who disagree with it - serially
You tend not to abuse, rather, you refuse to comment on the awkward bits on the grounds that it would incriminate your government - very familiar to those of us who are hooked on courtroom dramas
TRY THIS
Jim Carroll