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It might have an effect sooner since people may realize that they need to be active (and prompt some updates) if they don't want their votes erased. For truly abandoned votes/accounts, it will take a year.

Good point!

Yeah. Well that sucks. But i guess its expected. They wouldnt allow for any other change.
The same witnesses will maintain their oligopoly over the chain for another year all based on the fight against Justin when people voted for whoever wasnt Justin..