I know he acknowledges the capitalistic barrier to this solution but the other issue I see most often are folks simply not being there by boarding time. These methods all assume you would have everyone ready to board in their respective groups at once. I would imagine that throwing a few folks out of order in even the modified Steffen approach could bring down the theoretical time by quote a bit.
I like Bill Burrs stance as well
Every time I hear the argument you get what you pay for with apple, I’m curious if this fucking thing does your taxes and makes you coffee too.