I recall submitting a comment in the previous round. The system displays author information in separate fields from the text of the comment, which suggests that they are each stored as different data elements.
In that case, redacting that information would essentially be trivial. Granted, there might be a need to do some keyword searches in the comments for specific patterns (email addresses, phone #s) just in case somebody screwed up during entry, but that's nothing that a few dozen regular expressions can't handle...
In short, this sounds like complete and utter bullshit to me.
EDIT: as pointed out a few posts down, this is about complaints not comments (which are meant to be publicly available). That said, the logic outlined above should be broadly applicable to complaints as well.
