I also have chosen to fly from another airport for the exact same reason I normally fly Ryanair STN to ACE but the flight departs STN at 0715 no way am I standing in that Security line for an hour something has to be done and soon because if I'm choosing to fly from an alternative Airport take it from me there will be lots of others doing the same.
I'm lucky because STN and SEN are the same distance from my house and Easyjet have just announced SEN to ACE so not only has STN lost my custom so has Ryanair.
STN NEEDS A SECOND TERMINAL AND FAST !!!