While we wring our hands here and debate whether everyone should be forgiven for everything that happened five years ago, and whether any attempt to justly punish scoundrels and villains would lead to a terrible civil war, in Israel they sent 70-year-old (!) Ehud Olmert to prison for corruption. A former prime minister, no less.
He took bribes while serving as mayor of Jerusalem from 1993 to 2003. That means the most recent episode could have been 13 years earlier. Or 11 years earlier, as of the 2014 trial.
And nothing happened. I don’t see a civil war in Israel (at least not among Jews). The state did not collapse because people “brought up the past” and “started settling scores.”
If anything, the state and the legal system were probably strengthened: here you have equality before the law regardless of rank, and the inevitability of punishment as well.
So if we are to follow best practice, then many people should still be held accountable for the shady dealings at Saint Petersburg City Hall.