Check out this piece by Antonia.
I read the Guardian article myself, but was at Greenbelt at the time and, my internet access was a bit more limited then.
Thing is, over the past thirty years, political parties (once elected into office) tend to stay in power for a long time. Now sooner or later Labour will lose a general election. That's democracy, that's even, dare I say, healthy, but from a Labour point of view (and those who have benefitted under Labour), it is best that this happens as far away in the future as possible, because once the Tories get back in, there is no telling how long they will be there, and how much damage they will do once in office!
Labour must undergo an internal revolution whilst in office and put forward the full radical commitments it was made to do for the 21st century, before it is ready to leave office. The more difficult it is for the Tories to reverse our policies once they get back in, the better!