It makes Honeywell a whole load of money with extortionately priced consumable items in the system.
Want to replace those clogged Air Seperation Modules each D check , just bend over here and insert wallet.
Maybe a cynical view but the system is in the MEL as 120 days allowable INOP at the moment which really says it's not that important to the safety of the aircraft.
Someone is making a whole lot of money out of forcing this system through.