There are some things about CentralNotice that I never liked from the outset, and my approach to fixing that was to mention it offhand once every 2 years. This proved to be ineffective.
Madness string 20836
I imagine people walk around mumbling 'Can anyone help me?'. Once someone hears that, they ignore the person, but shout 'Exclamation mark help'. Promptly the PA system shouts passive-aggressively 'Don't Ask to Ask, Just Ask!'