There are two sides to the coin, a good founder/CEO that has a controlling interest in the company can make long term strategic plans without fear of repercussions from short sighted investors.
Problems such as the one mentioned in this article start occurring when multi-class share schemes start allowing the founder to effectively sell off most of the company while still retaining total control.
Do you think Mark Zuckerberg's children should retain majority control of Facebook after he dies?