+1 Katja. +1 DF.
No one is taking anything from anyone by pre-boarding and requesting the use of the wheelchair closet for (gasp!) their wheelchair. Katja makes an excellent point: the airlines would be well-advised to realize that pax with disabilities in this day and age are not outliers, we do not stay home, we do not live in nursing homes, making hook rugs, watching reality tv, desperate for someone to visit. We have jobs, we have businesses, we have husbands, wives, children, homes, the occasional strange hobby . . . And we travel. Some of us travel a lot.