>>11427752People don't invest in him, they just donate him.
There are many other research groups in the field you can invest into.
When I met him drinking some beer, I asked him about alcohol damaging brains, his answer was "it doesn't damage mine" which was probably a polite way to tell me to fuck off.
Actually, he touches this subject in the interview: some centenarians are drinkers, some are smokers, and the only think they have in common is that they don't give a fuck. So maybe he knows that stress is way more deadly than alcoholism, and he also said that he doesn't drink himself out, which is true.