Hehe, ironic response about missing the obvious, since the first thing the hacker did was check it wasn't the headphones that were faulty :-)
Asking a co-passenger for a spare set of phones would have left him with the same problem: the plane socket was only feeding audio from one hole, not both.
Asking a co-passenger for a spare set of phones would have left him with the same problem: the plane socket was only feeding audio from one hole, not both.