You just commented on someone saying ... > Hospitals, wall street banks and hedgefunds, almost all the big F500 corporations and people who actually do meaning

You just commented on someone saying ... > Hospitals, wall street banks and hedgefunds, almost all the big F500 corporations and people who actually do meaningful work for laboratories, engineering plants and refineries, and factories making microchips to cars to Aeroplanes are more than likely to be on Windows. By saying something about iOS. Engineering plants don't run iOS.