Let him who has not sinned cast the first stone - or some such.
Give the man a break - he has put in far, far more than most of us ever will. Sure, at his own volition and self-benefit, but just the same. All of us would inevitably evolve over such a long career - as Oggie must have. To the benefit of many but obviously not all.
If you don't have anything positive to say, then give it a rest.