Perhaps give this a read before declaring sainthood:

That the myth of Buffett is so pervasive is no accident. The "Oracle of Omaha" actually gives few interviews outside of his famous annual meeting in Nebraska each year. Those whom he does talk to, such as Fortune's Carol Loomis, are either on his payroll or don't dare criticize St. Warren lest they lose access.

 

But people as successful as Buffett don't accumulate $44 billion in wealth through charitable dealing. Long after the public turned on smoking and health, Buffett infamously explained his investment in the tobacco business: "It costs a penny to make. Sell it for a dollar. It's addictive. And there's fantastic brand loyalty."