When new reefers come on here very excited about their new tank, explain how they are doing exactly what the LFS told them, only to be flamed for it. As if it's somehow their fault for doing what they were told by a LFS "expert".
and when the opposite happens...
New reefer comes here first and ask about {insert terrible idea}, gets told "No, don't do that!" by everyone who replies. Then post that they did it anyway and two days later follow it up with panicked thread of "HELP! Everything is dying!". :headwallblue: