Sean said he gets juvenile cases assigned to him and covering the document in detail could jeopardize his ability to get those cases, as well as potentially carry further sanctions. For those covering it in detail such as Kurt, he does not handle any criminal juvenile cases.
Father Balldo may not care about Sean's ability to represent minors in criminal matters, but Sean feels strongly that they deserve competent legal counsel and removing himself from the pool of competent counsel to dunk on Nick (or make superchats) is not worth it.