BHD2BFS - Ryanair may fly to only a handful of airports from Prestwick but given a lead time of 6months can open as many additiona routes from PIK as they like - planes arw after all highly mobile assets. If avseparate airline were to open a route from a FR owned airport one of 2 things would happen. Either the route flops and the airline loses money or, the route is a success at which point FR may well try to open the same route as well in competition while coincidentally the other airline finds an increas in the number of problems from an apologetic FR -owned airport.
Just too many conflicts of interest for any airline in that pisition to accept with a company like FR who have a reputation for playing tough