Because EZY want to make money?
Because EZY are their largest customer by some margin and so have muscle?
Just the usual I guess!
One service that might expand is the IOM. Currently at one rotation per day - year round. When BA chooses to reallocate the Manx LHR slots from a 146 to a 777, then LTN will be the most likely destination.
------------------
A window seat on the sunny side of the aircraft, please!