No, I have fixed it back as railways are the most efficient method for the mass movement of people between cities, not just in the South East. I know from commuting into London from Bristol and back by train, along with commuting in by train from the Midlands into London, the value of that form of transport over longer distances, and so do the other 1.8 billion judging by the full trains!
I also know how many unhappy, long, hours I have spent doing those same commutes by car!!
Mass transport only works when everyone wants to go to the
same place. So that means into(and then back out of) a large city from near by. It doesn't have to be in the SE, as traffic around Birmingham, Liverpool, Paris, Bordeaux, you get the idea, is similar. So it's effectiveness decreases the longer the trip; 10,000s of people do not want to regularly go from Southampton to Hull for example. Britain - England really - isn't big enough to need high speed trains that only stop at one destination, and they can't
be high speed if they stop at
Where-the-hell-is-this-on-the-Wold and all places in between.