Is it a problem when able-bodied people use PMAs?

Personal Mobility Aids (PMAs) are meant for those with medical conditions or who have mobility issues. But some able-bodied people use them. How much of an issue is this? PMA user Michael Kuan, founder and CEO of Project Elev8, and Florence Cheong, an Active Mobility Advisory Panel member weigh in.See omnystudio.com/listener for privacy information.