here is how you establish who a 'rich' guys is... FOLLOW THE MONEY!!
money has a number of ways of getting to a guy and they are relatively simple and straight forward... UNAUZA KITU!! ULIRIDHI KITU! and it's slow and people get to know about you. That is what raised my radar on that other billionaire... the Goan!! people lie! money does not!
All Mushrooms are edible! Some Mushroom are only edible ONCE!