Why would you wish him to up lorry so fast? His involvement is in our politics is zero after his son kicked him out after GE11.
In fact, many of the hard truths he said before actually helped the opposition cause ("Repent, regret...", Malay issues, spur in sinkies' hide etc)..
I'd say let him stick around for another 10 years... It would be a very interesting next 10 years for this country.