People who think it’s okay to insult members of certain groups (e.g., homophobes, people from the state of West Virginia), but not members of certain other groups (e.g., homosexuals, fat women), and particularly not members of groups that they themselves belong to.
People who bully others into taking offense at things that they’re “supposed to be” offended by because the bully is offended by those things.
People who allow themselves to be bullied into taking offense at things that they’re “supposed to be” offended by, even though it never occurred to them to be offended and they really couldn’t care less.