Poof in Boots
The Business Class only model has crashed and so will Low Cost, which isn't low cost any more due to the oil price alone and swingeing hikes in the UK's Air Departure Duty.
Even RyanAir won't survive whats coming.
As they say in pantomime ..
Oh yes they will
FR will survive because they are callous about their staff and put money before everything, so they will lay off or sack without hesitation. They will survive because their prices are frequently lower than others.