They are not unprofitable and unlike what the pro ww bonkers like above will led you to believe they were always profitable.
You make slight changes in duty time, departure and cargo haul and you will turn a perfectly fine route in an unprofitable one.
They have been made unprofitable so they can cut them , cut jobs in the process and that way the irish bastard can do whatever he wants to do which are not good things for IB or for Spain.
What a conspiracy theorist you must make. I assume you believe that there is nothing wrong with the Spanish economy, everything is rosy in the EU and the world is hiding the massive boom since 2007 just to annoy the Spanish.
Enjoy the sky in your world because it isn't the one the rest of us live in!