Subject: bug#13141: 24.3.50; Be able to customize the info included by default for `report-emacs-bug'

From: Glenn Morris <[email-masked]>
Date: Tue, 11 Dec 2012 14:19:23 -0500

>>   This bug report will be sent to the Bug-GNU-Emacs mailing list
>>   [...]
>>   starting from `emacs -Q':
>>
>> This information is only useful for the user who is about to write a
>> bug report; it's useless for the rest of people, so IMO it should
>> _not_ be sent.

It isn't sent. There is a hook that strips it out, but it is easy to
defeat it, which is why you sometimes see it.