In America, our education and political system actually encourages narcissism and ignorant self-righteousness
Leftists have taken it up as a foundation of their identity.
That explains why so many of them are arrogant and unlikeable.
BINGO
You have people walking around looking for a reason to be offended.
An army of social warriors that want to stand for something, that are looking for a purpose in their life and to prove to themselves that they are “good people.”
These are usually secular folks where these idiotic causes like saving polar bears or climate change, etc. fill the void which has been created.