No. Because in the Creation I use for Kerisgame, the disappearance of the Fourth Scarlet (after the death of the Empress-in-Waiting and the Dowager Emperor against the Bull of the North, ruining the intended 3-user protocols which have held sway since the First Scarlet instituted them) has
not caused everything to fall apart, because 700 year old polities do in fact have lines of succession and the ruler cannot in fact set things up so everything depends on them because they are not a Solar and thus do not get "fuck you I'm the lynchpin of everything" effects.
Regent Fokuf does not exist in my Creation, because the Realm is being run by the Imperial Ministers while Princess Nemone tries to leverage her status as a half-trained replacement Empress-in-Waiting who hasn't successfully activated the Realm Defence Grid yet into full status. And that means the Realm is not being ruled by a weak ineffectual figurehead, but by a group of strong, competent, ambitious and acceptably corrupt ministers - and if the High Lord of the Imperial Treasury might be sending assassins to weaken Princess Vanefa's hold on the Realm Merchant Fleet while the Minister of Agriculture making a play on behalf of House Cathak while other ministers are trying to indict him... well, that's just making political things for Dynastic PCs to do and other PCs to interfere with.
But that's linked to things like how me and
@Aleph and
@Jon Chung have quite a strong dislike for the way the Empress... basically ignores a lot of the constraints and nature of the Dragonblooded and has to be given things like a Super Special Long Lifespan and the like. So the First Scarlet died around 200 years after the Contagion, having trained up a successor using Shady And Questionable Means [1] to add them to the emergency users list of the RDG and spending her last few years in retirement. And she died a glorious national hero and the mourning even reached areas which hated the Realm and her tomb was wonderful and lavish and is totally not an intended location for PCs to raid to desecrate the tomb of one of the greatest heroes of Creation who have some plan for her hungry ghost to try to use it to activate the RDG, oh no, not one bit.
[1] Quite a few candidates exploded. Or melted. Or were absorbed by the machinery. The Defence Grid is... exacting in who it'll accept as an emergency user. And none of them are quite the same again.