When you use a derogatory term against someone you are arguing with, others can see that you have no valid argument and have resorted to name calling to score some kind of imaginary points.
Unfortunately, for someone of your limited intellect
a lot of complaining about calling people liberal as a derogatory term but then practically every comment of yours is you being derogatory about peoples intelligence for disagreeing 
others can see that you have no valid argument and have resorted to name calling to score some kind of imaginary points.