Equating harsh even personally offensive language to "abuse" is the biggest disagreement here.
Many people, myself included, prescribe to axiom of "sticks and stones will break my bones but words can never hurt me" I understand that the current generation believes that feels are the most important thing ever...
I reject the idea that a person has the right not be offended, and I reject the idea that words on a linux mailing list are abuse
Abuse is not offense, offense is not abuse.
1. https://en.oxforddictionaries.com/definition/abuse
(Look for meaning 3)
2. http://www.thefreedictionary.com/abuse
Look for 'verbal abuse'.
World where people are fired from their jobs because they tell a joke someone finds offensive, I world where you are just one twit or one overheard conversation away from the outrage mob ruining your life..