As a frequent visitor to Schiphol, if you require a hub airport why wouldn't you just fly there instead ?
What are the actual benefits to the economy (bar the airport) of having customers change to a different flight and not actually leave the airport ?
I'm amazed (even in London) about the ignorance of how easy Gatwick is to get to. I wouldn't go anyway near Heathrow unless I had to.
It's also incredible the amount of people who still get on the Gatwick Express. I knew someone who for years would routinely go from Chiswick, f### about on the...