Many if not most coaches do it. Certainly, drill sergeants do it. Most people decry the state of politics today. Belittling your opponent with schoolyard taunts and insults, however, has been a staple of politics seemingly forever. 

I am playing a dangerous game this year. Your mom’s sage advice that “sticks and stones may break my bones, but words will never hurt me” is not true. Some people can be very vindictive and sly when angered. I understand the risks, but I believe the risks are worth taking.