During that period the central banks did extremely well. Some of them did less well in the lead-up to the crisis, when financial vulnerabilities were either not identified or not responded to.
It is uncertain whether those central banks would have behaved differently had they already been assigned formal responsibility for macroprudential stability; if they had, they would have had more reason to have acted and at least mitigated the effects of the financial excesses that were already visible in 2006. Inflation targeting.