Because Irish pilots take everyone to the pub.
That kind of really happened: https://youtu.be/GWB9elAHy6Y. Except, the Irish pilot stole a plane on a bet made at the bar while he was drinking. He then landed the plane in front of the bar and collected his bet. So, the losers did another bet that he couldn't do a repeat. So he did it again. Double or nothing I guess?
do not forget the Irish guy who wanted to steal a bus to go home but could not find the bus that does his route
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