I think its more that
the 'Airline food..' sarcasm is so overdone that the only way to deal with it is in an equally sarcastic manner.

Double sarcasm = honest answer.

Or something.
(thediscokingpin, Wed 13 May 2009, 12:14, archived)

That's really interesting.

( RR I love you ... in a way, Wed 13 May 2009, 12:27, archived)

i see what you did there, very clever

( manolith hooray for me, Wed 13 May 2009, 12:36, archived)

That means so much, coming from you.

( RR I love you ... in a way, Wed 13 May 2009, 12:43, archived)

thanks, it fills me with joy to know that you value my input

( manolith hooray for me, Wed 13 May 2009, 12:51, archived)