Think all of the above are correct.
Yes there is obviously a demand for more concrete to be laid but the plain simple fact is the Airport infrastructure simply cannot cope with Passenger figures in excess of 10 Million.
I have said previously that Luton needs another rethink in planning-stop all bar public transport from going under the taxiway and create a proper pick up/ drop off area around the mid term car park with undercover parking and a transit system to the terminal-
I have heard that the Barcelona team and Press flights will come to Luton and loads of biz movements-If any charters come i am not sure but as G-APDK quite rightly states where would they put all the coaches.