We think they got them cheap, but we know they're cheaper to operate. I think "economics" is the most fair way to justify an otherwise uncomfortable decision...

Speaking of uncomfortable, look at how much the dudes in 15A and 14B spill into their seat mates' personal space... 14B in particularly is just typically North American-sized guy -- he wasn't the kind of giant you'd usually wish isn't sitting next to you as he makes his way down the aisle.