It's rude to call your best friend an idiot.
Sally has been going to college to become a school counselor.
Sally wants to be on a short list of potential counseling interns at her school and tells her friends about it on social media.
When Amelie asks questions about it, Sally makes sure her friend understands everything before continuing.
When Sally’s her best friend, Amelie, doesn’t understand some of the conversation; Sally publicly mocks her for being slow and stupid.
When the intern counselors see Sally’s ability to talk to others and help them understand the situation, they put Sally’s name on the list with a commendation.
Sally hurts her friend deeply and when the intern counselors see Sally’s treatment of other online, they put her name on the list as a questionable candidate for counseling.