It's totally detached from reality. I can never work out if they really are that stupid and genuinely believe it, or whether they are just attempting to talk up the market to lure the last of the thick "shrewd investors" into parting with their cash in exchange for bankruptcy.
It's on a par with those suggesting that a significant fall in house prices caused by a lack of available credit will enable people who couldn't buy houses before to buy them now and so is 'beneficial'...