Originally Posted by
vsevolod4
C'mon, folks!
$0 is obviously not a valid fare; expecting someone to "honor" it is like going into a supermarket and finding an item without a price sticker and concluding that since there is no price sticker, it must be "free."
A better analogy would be to an item with a $0 or "free" price sticker.
Ryanair, et al. have "free" or 0.01 cent tickets, so it's not totally insane.