CEOs resign when the internal dynamics of the company and the external dynamics of the company actually come together to say it is appropriate. When the internal dynamics ask you whether you have a replacement. I think the transition from CEOships have also become cartoonish.
I'm quite encouraged by the finding that voters do value checks and balances and accountability. I think it's very heartening. And it has been interpreted to mean that Singaporeans do find that at the system level the institutions have to function with some sort of balance regardless of whether the policies are good or bad in that sense.