I find troubling the profound concern with academic hierarchy and command and control that Blum expresses, largely to the exclusion of things like intellectual freedom ... and the sheer pleasure of intellectual discussion. To regret the absence of academic peer review from blogs seems to me to misunderstand the value of the medium profoundly.
Update, October 5: Janet Ajzenstat comments:
The best piece of advice I ever got about writing was to put the ideas out when you have them. Don't hoard, don't save for the "big book."
The well fills up.