I Think You'd Call This Abusing the System

My guess is that researchers would find a lot of "grocery story miracles" if they conducted similar research at a Kroger or Walmart.

FEBRUARY 28, 2013

Many Airport Wheelchair Requesters Are Just Sick of Standing in Line

15% of wheelchair requests at Los Angeles International Airport—about 300 requests per day—are bogus, according to officials quoted in the Wall Street Journal. Able-bodied travelers like to use wheelchairs to get to the front of security lines or because they want a wheelchair assistant to help them with their bags. Travelers who stand up and walk away after the wheelchair has served its purpose are known as "miracles" to the staff of helpers, the newspaper says.

Source: Long Lines Lead to Rise of Wheelchair 'Miracles'