The Argument of Ignorance

People are the most self-obsessed, annoying species. Including myself.
Which would be tolerable if they were at least semi-responsible, or had a sense for responsibility and/or the friendship code- respect for others. I strive to do that. Some people don't. So why am I friends with them?
Why am staying in this country, if it's full of arrogant, selfish people with no respect, no sense of responsibility, no manners?
What to do? Be ready to get a sign that will change my opinion of the choice that I have made. Argument of Ignorance.