They are beings of Chaos (in denial).
Chaos is self-destructive.
And Jezeera is not nearly as smart as she thinks.
So.. yes.
It is the classic "looks good on paper" plan that will either bite you in the ass (if your corruption fails and you get tricked into defeat) or bite you in the ass (if your corruption succeeds and you get backstabed and deposed).
Unless you *really* embrace the Sith-philosophy and want the strongest to rule *even at the expense of yourself*, this is a terrible idea from start to finish.