Has the G-20 doomed the recovery?

Has the G-20 doomed the recovery?: "So they've gone and done it. Even though the G-20 called the recovery “uneven and fragile” in the final declaration from its weekend confab in Toronto, the advanced economies also pledged to at least halve fiscal deficits by 2013 and stabilize or reduce government debt-to-GDP ratios by 2016."