The news of Berkshire Hathaway’s purchases in Occidental Petroleum (OXY) has been seismic in our minds, but to most investors it has been but a whimper. We believe there are two main reasons for this. First, Buffett hasn’t had a hot hand in recent years, so the normal copycats aren’t quick to repeat Buffett’s actions. Second, he’s buying an oil company. Oil has been a three-letter swear word to most investors. Therefore, it’s been much ado about nothing. [...]