The most insidious sort of social inequality, the most difficult sort of privilege to challenge, occurs when a dominant group is so deeply established as the “normal” or “default” group that it has no specific name, no label. The members of such a group are simply thought of as “normal people,” “healthy people,” or just “people” — with the implication that those who aren’t members of that group represent deviations from that which is normal and natural, rather than equally natural and legitimate manifestations of human diversity.