People buy BRK.B because of Buffett even though, as Kass notes, his investment style is changing. The company is a huge ETF with all of the problems of ETFs and mutual funds and without their ability to trade in and out of the wholly-owned investments. I suspect most people who are taking time to read SA and related sites would rather run their own portfolios instead of buying into Buffett's.
Doug Kass's Killer Shorts - Barron's [View article]