Here he talks about a hitherto-unidentified group he calls "the Organization Kids." Essentially he is making a play on William H. Whyte's Organization Man, relating that model to the young.
Brooks says he sees this model in Elena Kagan. It is a compulsive suppression of controversial opinions that might conflict with career progress.
Maybe he's really got something and maybe all he has is the subject for a column, time will tell.