In a way I am glad Tharman smartly moved himself away from the fray to do his specialized finance work.
Tharman would have added rigor to Pappies processes had he became PM and the shady elements in PAP are afraid of that. He must have knew, they know, and so he stepped aside
He will bid his time and wait. Between him and TCB, they are the only two Old Guard caliber left of outstanding morals and humanity.
As you can see, Lawlen Wrong has eliminated his rivals. Soon he will be Supreme Leeder