"And maybe if everyone got tired of that happening because people wouldn't learn, you could justify the investment for a separate cooling zone for the server room! :)"
Or they'll just break into the server room and pull out the offending sentinel, even if it says, "Fire Risk!" on it. The only way to stop that is to get to know the local fire inspector and be sure he doesn't take bribes. Sometimes, the only language they'll understand is legalese.