There are lot of people who fall for the encouragement from PG and such and take risks without being aware of the expected financial impact. Read through comments here and there are some first hand anecdotes.<p>It is hugely more efficient for someone to take into account this research result, rather than learn that after years of toiling, the hard way.<p>Perhaps, it was not as insightful to you personally. But not every piece has to be valuable to everyone for it to avoid being classified as <i>devoid of value</i>.