on topic:
He was surely exaggerating because he isn't the type of guy knowing much about bitcoin. It was just a fantasy guess like he can say Santa is real
I saw that interview too. He was raging alcoholic up until the 1980s and then he was reborn as a yoga guru. He's quite clearly fallen off the wagon and let it run him over several times in a row. Still, I'd probably do the same in my 70s. It's not as if you have much health left to preserve. The alternative is an extra 5-10 years of utter horror.