Aren't the exposed client IPs at http://php.net/server-status/ a pretty big deal??
http://www.apache.org/server-status
Additionally, mod_info is enabled, which lets you read nearly the entire running configuration:
Yes, it's potentially an issue.
For example, nba.com has been averaging about 3 connections and 1021 idle workers while I've been watching it. That's perhaps less traffic than you might expect? I don't know, but if I were paying for ad space I might be interested.
AOL deidentifed search data still allowed some people to be identified. When name is tied to some medical condition related search terms, it gets embarrassing...
Yesterday it was returning IP address list with associated medical condition of interest...