"This whole discussion is based around changes made in 2014 for departures and arrivals at Gatwick without consultation - or without proper consultation. NATS is a private company with profits as its driving force and noise over the residents beneath the flight path is hardly in their mind."
Well, yes and no. Yes, NATS is a private company, and yes, profits are very important nowadays. So why, if that were the case, would NATS be interested in doing anything at all, as everything new costs, and doing nothing is free....