Even if the plan is horrifying! If, tomorrow, I tell the press that, like, Cornpop will get shot, or an apartment of Gazans will be blown up, nobody panics, because it's all "part of the plan". But when I pardon my cokehead failson, well then everyone loses their minds.
Introduce a little chaos. Upset the established order, and everybody is distracted by it. I'm an agent of chaos. Oh, and you know the thing about chaos? It's ... good