I just posted about this as well!
I was pretty disgusted just reading it seeing that statistics clearly show able-bodied individuals are clearly taking advantage of using the wheelchair for people who truly need them. Zuzu you are totally right, I don't think it applies to our community but it surely affects them. As you mention, there is a strong possibility people who request the chairs are those who may not "appear" to be living with a disability; however I would almost bet a nice majority are those who are really have no need whatsoever for extra assistance.
There are so many complaints as it is for those who use wheelchairs while traveling, I hate seeing yet another problem occur.