Comment 3 for bug 493156

Considering this has been raised 4 separate times (besides bringing into question people's searching skills), suggests this issue ought to be re-examined.

If necessary, the accounting can be disabled by default as per https://bugs.launchpad.net/ubuntu/+source/linux/+bug/532490/comments/5 so as to have no impact, except when explicitly enabled, which would allow a common and valuable tool for administrators to be used as intended.