Is the serious biography a dying genre

Scary video report from Newsnight. Judges of the Costa biography book prize have said they could not find enough biographies of merit to fill their shortlist. Will you be filling your Christmas stocking with the outpourings of celebs like Jordan or Russell Brand, whose : My Booky Wook 2 has just been published!? http://news.bbc.co.uk/2/hi/programmes/newsnight/9204586.stm

I suppose libraries, who would have formed quite a large part of the market for hardback heavyweight biographies, having had their budgets slashed and having to prove that people are borrowing books are buying " lighter" biographies that go in and out more and up their readership stats…