How would it be possible for all large stakeholders to go from being large stakeholder to not having any in a very recent history timeframe?
By transferring their stake to another account that they own? The point is, they
remain large stakeholders, all they sell are empty private keys.
So now they are low intelligence large stakeholders?
What use are empty private keys other than history attack?
Might as well postulate that miners will just let you use their facilities for a small fee, since you promise not to push any buttons.
Pick a PoS coin, any PoS. Prove this attack is possible in a cash positive way. I am sure you can get many privkeys for a dead coin, but maybe a bit of a problem short selling a dead coin.
So while this history attack is a scary sounding thing, the practical difficulties makes it not anything to worry about. Try it if you dont believe me, just try to get a single valueless empty key. Maybe post an ad somewhere for it? How exactly do you propose to get recent keys?
Getting the genesis key seems to not be of any use, so maybe you need to update the OP as being impractical and not having a single documented case of it ever working and its expected return is negative cashflow
James