Well of course there are sub-classes of WP's ...there's the original (me ) and then there's the rest of you lot.

Seriously, it is all dependent on how the CSD does their job. They have the pax manifest on every flight and know who is seated in F, J and of high tier status in Y. Whether they chose random pax, or work backwards from First to Economy (what I have seen happen more often) means there will be inconsistencies in the delivery of the "service".

I'm of the school of thought "great to be acknowledged but the world isn't going to end if I don't".