In terms of the recent posts interpretting pragmatic challenging of the SEN missed targets on their scorecard, I think it's right to have balanced views that share people's natural views both negative and positively disposed views are healthy.
SEN and certain individuals at the airport need to recognise the importance of expectation management to their shareholders, by not doing that, uneasiness takes hold amongst investors. If you set targets, you best be sure to hit them. Always good to under promise, and over achieve.