ah of course - that'd be an optimistion thing to reduce the load on the DB... makes perfect sense now.
Just my 2 cents, perhaps rather than omitting the reply altogether (with no reason why), the webpage fetcher could inject something like
That would at least tell the user that the message was intentionally not displayed and a hint on where the setting is - and avoid them thinking they've stumbled onto some weird bug or something...
of course the admins might disagree with me.