User blog comment:Rappy 4187/Technical Update: September 23, 2015/@comment-24473195-20150923203110/@comment-11733175-20150926080643

I've come across instances where that information has been ignored and it's taken a couple more replies to get to the root of the issue. Either way, I always thought the reason for the extra layer was so each bug was reproducible so it doesn't waste the time of whoever attempts to fix it.