"And yet it is not a “perk” to take the elevator when your friends walk up the stairs or to park in one of the handicapped spaces or to use a capacious bathroom stall or to be wheeled to the gate when you fly. It’s not just convenient either. It’s essential. This is the challenging, needy underbelly of living with an impairment that positive stereotyping can obscure. Accommodations serve the invaluable purpose of ensuring the human dignity of people with disabilities — our ability to participate in society as completely as possible without being de facto quarantined for “defects” in a world that prizes fitness and forgets that disability is the most fluid identity category of all."