It’s a common occurrence, this since you can pick your friends, but you can’t pick your relatives or coworkers. We’ve all been in situations where someone will make what’s generally an offensive comment, which can be sarcastic, while they trying to be witty.
They express their viewpoint which is insensitive but they may not think so. Someone making a sexist joke, where everyone but they may find offensive or inappropriate. They may express opinions which reflects common prejudices that are just wrong.
To be obnoxious, which are degree’s beyond being …