He recently publicly announced his successor. No issues. No one blinked. One of the best long term companies to own shares in. Investing to build wealth is a long game. All of my "bets" are looking out 20-30 years. Short term some years I have not out performed the market, but over the lifetime since I started I have (15 years so far..)

https://www.cnbc.com/2021/05/03/who-is-greg-abel-warren-buff...

There is a booked called "the millionaire next door" that is a good read.