Re: Smoke and mirrors
Larry is probably doing it for the Karma, just like Alfred Nobel did after he read his obit. as a 'purveyor of death & destruction'.
Ego driven persuit of money & power will only take you so far (Larry wouldn't notice another $10Bn dropping in his lap), eventually mortality rears its head and the Ego wants to be remembered for being 'great & good' not money grubbing.
Larry is 75, and right now nature is showing us all that money & power are sometimes no help at all (Unless you want to be the next Howard Hughes)