Maybe cause the ryanair one is true, the airline was made for the purpose of tourism in europe, 20$ tickets and you hop on a cheap nasty old 737 and go from brussels to prauge or brussels to stanstad, you will never see ryanair operating in another continent.
This could be a good original topic, let me post some found on the interwebs:
-Airlines overbook their fights to ensure that they’re full
-Water boils at 90* F on a flight
-many airlines actually don’t have a 13th row
-contrails can help predict the weather
source: http://blog.us.aviationjobsearch.com/15-unusual-facts-about-flying-many-dont-know
Prior to the banning of smoking onboard aircraft the air inside the cabin was actually much cleaner do to the entire cabin air being replaced in a much shorter period.
Whereas now, the need to remove of smoke filled air is gone the cabin air has a higher concentration of bacteria and disease.