Its kind of like the model of aging (as I understood it presented by Aubrey de grey). There are many things to solve and if you dont solve them all, the first o

Its kind of like the model of aging (as I understood it presented by Aubrey de grey). There are many things to solve and if you dont solve them all, the first one to go gets you. No reason to board faster if you cannot do refueling faster, no reason to refuel faster if you cannot load baggage faster, no reason to load baggage faster if you cannot board faster.