Answer: To give bloggers an opportunity to point out that he apparently does not know what he is writing about.
Inasmuch as I’ve taken Stein to task on several earlier columns (see here, here and here), I was getting ready to prepare a post pointing out the folly of Stein’s latest column, this one on the financial impact of the meltdown in subprime mortgage sector. But then I discovered that Felix Salmon had already done so, in which he observes the following:

. . .it turns out that Stein is completely wrong, yet again: can anybody explain to me why this man still has his column?

Read the entire post.