Yeah, but if someone is routinely violating basic geocaching etiquette, then there's a chance they're doing it out of ignorance, rather than malice. If they're doing it out of ignorance, then letting them know how their actions are perceived by others might actually help them.
I like that point. But the OP is long gone from this thread in this case and thinks everything is hunky dory, after like the first 4 people, including a reviewer, told them the CO was an idiot for emailing them.