While I appreciate to sentiment of attempting to warn people about the concession rules, in order to prevent unpleasant suprises, I do wonder whether it is really necessary for the admin to have to alert people to the point.

I mean, it is a rule, from the rulebook, that I'm sure we've all read through (as we all own copies of the game, after all), so it's seems rather redundant to have to mention it all over again. Maybe it should though, alongside other useful bits of rules trivia:
WARNING: Going for it can lead to RIPs
WARNING: Passes can be intercepted
WARNING: Low fan factor reduces winnings

...Actually, that last one might well benefit new coaches.

Of course, thankfully the FUMBBL user guide is one of them there wiki things. If anyone feels something should be broadcast to other coaches strongly enough it is but the work of moments to whack together a page and put it in one of the FAQ links (top choices being 'Strategy and Tips' or 'Game Rules and Reference.'

Well, that's my 2 british pence (worth something like 4 US cents) anyhows.