Do the ill mouthed greet each other with terms of respect or violation?
Peace is from Islam and the only acceptable greeting with them, if you do love whosoever it is you are greeting.
Does that make sense otherwise, would you appreciate a reply less than peacefulness and demand protest?
Swearing does not suggest anything, except anger, and most of the time for little to no reason, they are vulgar phrases to suggest sexuality.
By making these phrases common, the actions are no problem.
The words fit when used and if used, they are a form of disrespecting humans.
We are equal in terms of rights on earth except when cheating and who is it that they cheat but themselves.