Edited sentence: It also helps pensioners to get out, thus saving the NHS a lot of money as well as other health benefits, and  directs pensioners to off-peak services and subsidises bus-owners so they can run services that might otherwise not be viable.It could also ease queues if drivers did not have to issue  “Paid zero” receipts.The free bus pass scheme is more a subsidy for the bus industry than a perk for millionaire pensioners