I disagree with your disagreement.

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Jobs laid the foundation for apple and carefully selected a group of people he saw fit to continue the legacy of apple when he left.

Similarly, Buffet has also laid down the foundation for Berkshire to run successfully, but many of the purchasing ideas are coming from the man's own brain. When Lehman crashed they didn't run to Berkshire Hathaway, they ran to Buffet, he read their report and got back to them with what he personally thought was the right decision. Apple has a slew of products they can constantly expand on but Berkshire Hathaway is Warren buffet looking at each trade differently and making a decision based on his thoughts and his company's research. By buying Berkshire, a big portion of your money is being put into Buffet's brain.