Why does man print “gimme gimme gimme” at 00:30?

Here's the commit from 2011:

http://git.savannah.nongnu.org/cgit/man-db.git/commit/src/ma...

    1 files changed, 9 insertions, 1 deletions                                  
    diff --git a/src/man.c b/src/man.c                                          
    index 1978329..48af3c0 100644                                               
    --- a/src/man.c                                                             
    +++ b/src/man.c                                                             
    @@ -1154,8 +1154,16 @@ int main (int argc, char *argv[])                    

            debug ("\nusing %s as pager\n", pager);                             
    -       if (first_arg == argc)                                              
    +       if (first_arg == argc) {                                            
    +               /* http://twitter.com/#!/marnanel/status/132280557190119424 */
    +               time_t now = time (NULL);                                   
    +               struct tm *localnow = localtime (&now);                     
    +               if (localnow &&                                             
    +                   localnow->tm_hour == 0 && localnow->tm_min == 1)        
    +                       fprintf (stderr, "gimme gimme gimme\n");            
    +                                                                           
                    gripe_no_name (NULL);                                       
    +       }                                                                   
                                                                          
            section_list = get_section_list ();