It's 'useful' in countering an image that people who only read Lander's paper might come away with, and useful in drawing attention to the problem he (Mike) per

It's 'useful' in countering an image that people who only read Lander's paper might come away with, and useful in drawing attention to the problem he (Mike) perceives. Whether any of this is useful in a broader sense is unclear, but we are almost certainly seeing the most important story in history of biology for this generation unfolding before us.