Sub rosa,
As ever, comments without justification.
The B757 is the future of Jet2 and low cost operations in Europe. The aircraft is ideal for longer routes such as Tenerife and Southern Europe.
The operating costs are similar to the B737-800 but the aircraft are much cheaper to buy and can carry a lot more passengers.
PM is a shrewed businessman who takes care of loyal employees. The company has been doing great for the last 20 years and is sure to continue.