there is absolutely no point in Southend Airport
That is an ever so slightly ignorant point of view. Why not take some pressure off Gatwick and allow passengers to use Southend? From London, the south of London and also from Essex and the Thames Estuary, it is often an abundantly convenient airport. If you believe that it serves no purpose then I would urge you to look at the number of people using it, ask yourself why they are using it (would they do so just to safe a fiver if the pain-in-the-arse factor was very large?) and then rethink the conclusion to your hypothesis.
Please, think before you type.