The common Chinese understanding of government is cyclical: each dynasty dispels the abuses of the past when it arrives, then becomes corrupt and is itself overthrown. The current regime is trying to base its legitimacy on "results" - ie growth - not clean government. It is also using nationalism to divert popular attention. This may work. If it doesn't, however, Chinese tradition makes it unlikely that the party leaders will be forgiven. A bloodless transition to democracy is sadly the least likely outcome.