I wouldn't consider either of those to be private pieces of information, given that every single word of non-deleted edits is available for public review. It's unclear that the previous legal issues are privacy-related. There may be issues about publishing edit summaries which contain personal or copyright information, or something.
-B.
On Fri, 2007-07-27 at 09:48 -0700, Annabel wrote:
Imho it is best if this option is not enabled. The whole world does not need to know if someone created a lot of pages that are subject to copyrights or if someone is a vandal. This is a matter of privacy and privacy law is totally different in e.g. the US and Belgium. Therefore, I do not really like this option. It is not really necessary anymore, because sysops can now obtain a list of deleted contributions using the special page [[Special:DeletedContributions]]