To be fair to the poor Ryanair tech team whom I am sure will be asked to explain to the board, I think this report where Bill Gate's compared the computer industry to the car industry may be somewhat relevant if he had perhaps done the same with the aviation industry (go General Motors):
http://www.netlingo.com/more/carsandcomputers.cfm
I know you were joking, but the performance of their website should by no means be compared to the performance of their aircraft