Racedo - I can't and I'm not familiar with EU law. Other airlines don't require a passport on domestic flights, so why should FR?
The example I made was to highlight the fact that FR makes up its own rules and if you don't like it, fly or work for someone else. If Fr don't like the local rules in BUD, then base the aircraft somewhere else....
La face cachée du lowcost : Enquête sur le système Ryanair on Vimeo have a watch of this documentary and see if you still have the same sympathy.